Anton Sten Anders Källberg (Swedish pronunciation: [ˈǎnːtɔn ˈɕɛ̂lːˌbærj]; born 17 August 1997) is a Swedish professional table tennis player.
Källberg represented his country at the 2020 Summer Olympics in Tokyo. He won his opening round of 64 match in the men's singles event with a convincing 4–0 win over USA's Nikhil Kumar before losing to Lin Yun-ju in the third round.
He won a bronze medal in the men's doubles alongside Jon Persson at the 2022 European Table Tennis Championships.