Nakhon Ratchasima United Football Club (Thai สโมสรฟุตบอลนครราชสีมา ยูไนเต็ด), is a Thai football club based in Nakhon Ratchasima Province, Thailand. The club is currently playing in the Thai League 3 Northeastern region.
The club founded in 2005 as Sriracha-Sannibat Samut Prakan F.C.
In 2016, This club was token over Pattaya F.C. from Khor Cup and is changed the name to Pattaya City and change the club's official logo is the whale, hence their nickname is Killer whale.
In 2017, The club is token over Huai Thalaeng F.C. from Khor Cup and is changed the name to Huai Thalaeng United F.C. and change the club's official logo is the Locomotive, hence their nickname is Killer Locomotive.
In 2020, The club was renamed to Nakhon Ratchasima United F.C. and changed the text on the club's logo to Nakhon Ratchasima United too.
In 2022, Nakhon Ratchasima United competed in the Thai League 3 for the 2022–23 season. It is their 16th season in the professional league. The club started the season with a 0–3 home defeat to Khon Kaen and they ended the season with a 0–1 away defeat to Khon Kaen. The club has finished 11th place in the league of the Northeastern region. In addition, in the 2022–23 Thai FA Cup Nakhon Ratchasima United was defeated 0–2 by Saimit Kabin United in the second round, causing them to be eliminated and in the 2022–23 Thai League Cup Nakhon Ratchasima United was defeated 0–6 by Sisaket United in the second qualification round, causing them to be eliminated too.
The club has changed the texts on the logo to Nakhon Ratchasima United in 2020.