Lion City Sailors FC

The Police Sports Association was founded in 1945 to organize football activities for the Singapore Police Force. It sent two teams to compete in the Singapore Amateur Football Association League in the 1950s and 1960s, but neither team won any trophies. Under coach Choo Seng Quee, the club won the inaugural President's Cup in 1968, then reached and lost the next two finals.

When the S.League was formed in 1996, the club was known as the Police Football Club. The following year, its name was changed to Home United to reflect the fact that the team represented not only the Singapore Police Force, but also other HomeTeam departments of the Singapore Ministry of Home Affairs such as the Singapore Civil Defence Force and the Immigration and Checkpoints Authority. Home United nickname was the "Protectors" and its mascot, a dragon.

In 1999, Robert Alberts guided the club to secured their first ever piece of silverware guiding them to win the 1999 S.League title. Alberts also won the Singapore Cup back-to-back winning the 2000 and 2001 edition.

In 2003, head coach, Steve Darby guided Home United in becoming the first club to achieve the S.League and Singapore Cup double where he also steer the club to won the 2005 edition of the Singapore Cup. Under Korean manager tutelage, Lee Lim-saeng who is also the longest tenure as head coach in the club history, guided Home United to win both the 2011 Singapore Cup and the 2013 Singapore Cup in his 4 years at the club.

In 2010, Home United hosted EFL Championship club Burnley as part of their pre-season trip to Singapore.

The club had qualified to the AFC Cup for the tenth time with their best result in the 2004 AFC Cup where they reached the semi-final losing to Syrian club, Al-Jaish 6–1 on aggregate. In the 2018 AFC Cup group stage, Home United was drawn with Philippines side Ceres–Negros, Cambodia side Boeung Ket Angkor and Myanmar side Shan United with a tally of 4 wins, 1 draw and 1 lost seeing the Protectors qualifying to the AFC Cup knockout stage as group winners. Home United would go on to face Indonesian club, Persija Jakarta winning the two legged tie in a 6–3 aggregate where they would advanced to the zonal finals facing Ceres–Negros and eventually won 3–1 on aggregate against the Philippines side. Home United then qualified to the inter-zone play-off semi-finals (Quarter-final) of the AFC Cup facing against North Korea side, April 25 where during the second leg of the tie, Home United suffered their worst ever defeat in the club history losing 9–1 at the Kim Il Sung Stadium.

On 14 February 2020, the club was privatised for the first time in its history, when Singaporean billionaire Forrest Li announcing that he had purchased a 100% stake in the club. The club was officially renamed as Lion City Sailors and its signature red colour was replaced with white and blue. The Sailors' main aim following its rebranding was to boost professionalism in Singaporean football, with becoming a Southeast Asian super club its long-term goal. The new name, Sailors, was a homage to the country's maritime heritage. As it sets its sight on success in 2020, Lion City Sailors will be led by Australian head coach, Aurelio Vidmar, the former Socceroos captain. He joins after a hugely successful stint in Australia where he led Adelaide United to the 2008 AFC Champions League final, becoming the first Australian team to earn this distinction. Vidmar make a couple of stud signings including Singaporean stars, Hassan Sunny, Gabriel Quak and Shahdan Sulaiman, Japanese defender Kaishu Yamazaki, as well a prolific Australian striker, Andy Pengelly.

On 21 January 2021, the club created history by smashing the Singapore Premier League transfer record with the signing of midfielder Diego Lopes from Portuguese top-flight side Rio Ave for €1.8 million (S$2.89 million) on a three-year deal.

With the motivation to rejuvenate the glory days of the past into the future, On 18 May 2021, Kim Do-hoon, who led Korea Republic's Ulsan Hyundai to victory in 2020 AFC Champions League, joined the Sailors on a two-and-a-half-year deal. During his first season, Kim led the Sailors to win the 2021 Singapore Premier League and the 2022 Singapore Community Shield. They also went on to qualify for their first ever AFC Champions League tournament in the club history.

On 18 April 2022, the Sailors defeated K League 1 club Daegu FC 3–0 in the 2022 AFC Champions League, their first AFC Champions League win since their rebranding. They bounced back from an opening 4–1 defeat by J1 League club Urawa Red Diamonds to beat Daegu 3–0 before picking up four points in a goalless draw and 3–2 win over Chinese Super League's Shandong Taishan. Sailors maiden AFC Champions League campaign ended with narrow 2–1 to Daegu in the final group stage fixture. Their tally of seven points is the best showing by a Singapore side at the AFC Champions League.

In the 2022 Singapore Premier League match against Tampines Rovers on 24 July 2022, as the Sailors was contesting in a draw nearing to the end of the match, around the 87th minute of the match, with the score levelled at 1–1, things became heated as Tampines forward Boris Kopitović confronted Sailors defender Nur Adam Abdullah near the sideline. Other players, as well as coaches and staff from both sides got themselves involved in the tussle. Kim Do-hoon appeared to get involved in an heated argument with Tampines Rovers assistant coach Fahrudin Mustafić, where footage from the game shows Fahrudin grab Kim by the arm first, as if to push him away, with the two then squaring up in the technical area on the side of the pitch. Kim appears to lower his forehead into Fahrudin's face in what appears to be a headbutt which Fahrudin was seen clutching his face and moving away from Kim. Pedro Henrique went on to scored a header on the 90+4' minute of injury time to secure the three points for the Sailors. After the match, Kim and Fahrudin were seen shaking hands, however tension arose again after the match ended as players and staff from both sides began confronting and shoving one another where Fahrudin was seen grabbing Kim's neck behind the touchline. The Football Association of Singapore (FAS) handed a three-match ban with immediate effect, with Kim being fined $2,000 and Fahrudin $3,000, for their violent conduct. In addition, both the Sailors and Tampines were fined $5,000 each for the conduct of their players. Less than 24 hours after Kim was handed a three-match suspension and fine for violent conduct, Lion City Sailors made the shock announcement that they have reached a "mutual agreement" to part ways with the Korean coach.

On 12 August 2022, Luka Lalić was appointed as the interim head coach till the end of the 2022 season which on the following day, he guided Lion City Sailors to their biggest ever victory in a 1–10 away win against Young Lions.

On 28 June 2023, the Sailors recruited Serbian head coach Aleksandar Ranković on a two years contract. In his first match in charge, Ranković guided the team to a 7–1 away win against Tanjong Pagar United in the 2023 Singapore Premier League.

On 26 July 2023, they played their first match at the Singapore National Stadium against Tottenham Hotspur in an exhibition match in which Shawal Anuar scored first which give Lion City Sailors the lead against the English club which they held up for the first 45 minutes. However, they ultimately lost 1–5 following poor defensive and communication errors in the second half.

The Sailors embarked on their second consecutive AFC Champions League appearances ahead of their 2023–24 campaign together with Jeonbuk Hyundai Motors, Bangkok United and Kitchee which will see a return of home and away fixtures. The club hosted most of the AFC Champions League group stage games at the Jalan Besar Stadium as its match the requirements standard of the tournament and also being rated as a FIFA 2 Star Recommended Turf. It was also the first time the AFC Champions League group stage matches being hosted in Singapore since 2010. On 4 October 2023, Lion City Sailors recorded their first win of the 2023–24 AFC Champions League group stage campaign against Hong Kong side Kitchee with goals scored by Richairo Živković and Maxime Lestienne to secured a 2–1 away victory at the Hong Kong Stadium.

On 8 November 2023, the Sailors defeated two-time AFC Champions League winners Jeonbuk Hyundai Motors 2–0, with Živković scoring both goals. They then won the 2023 Singapore Cup over defending champions Hougang United on 9 December.

As the 2024–25 Singapore Premier League season will be the inaugural season to be played on a two-year schedule, the Sailors made additions to their squad. On 26 February 2024, they signed Bart Ramselaar from Utrecht where his move to Singapore became the second most expensive signing in the league's history for a reported fee of about €1.5 million (SGD$2.2 million). Lion City Sailors also signed Toni Datković from Spanish Segunda División side Albacete. On 7 March 2024, the Sailors announced the return of Song Ui-young since he last left the club on 15 January 2023. On 4 May 2024, they won their third Singapore Community Shield after beating Albirex Niigata (S) 2–0, with Shawal Anuar and Maxime Lestienne scoring to secure the win. The Sailors will also compete in both the inaugural 2024–25 AFC Champions League Two and the recently revived 2024–25 ASEAN Club Championship tournament.

In August 2024, the Sailors began their 2024–25 ASEAN Club Championship being placed alongside Thailand club Buriram United, Vietnamese club Công An Hà Nội, Malaysian club Kuala Lumpur City, Philippines club Kaya—Iloilo and Indonesian club Borneo Samarinda. With a losing streak in the ASEAN Club Championship, The Sailors turned their main focus on the inaugural 2024–25 AFC Champions League Two campaign on 19 September 2024, hosting Chinese club Zhejiang Professional at home.Club captain Hariss Harun break the dreadlock in the 44th minute by scoring a volley from outside the box. In the 80th minute, Lestienne secured a 2–0 win with a skillful chip shot. In the next match against Indonesian side Persib Bandung at the Si Jalak Harupat Stadium on 24 October, both team contested in a 1–1 draw after Maxime Lestienne deliver a cross towards Bailey Wright who scored a header to equalise the match for the Sailors. In the third fixture against Thailand club Port at the Pathum Thani Stadium, Shawal Anuar scored a brace in within 3 minutes in the 14th and 17th minute of the match before the opponent scored a goal in the 55th minute, later on, Song Ui-young scored in the 65th minute to secured a 3–1 away in which put the Sailors at the top of the table. After two disappointing results which saw the opponent coming back from a two goals deficit to win the match with Lion City Sailors needing the win in the final group stage fixture, Song Ui-young scored a hat-trick which secured a 5–2 win seeing Lion City Sailors qualifying to the round of 16 as group leaders making them the first every Singaporean Club to do so.