Federico Arnaboldi (born 18 June 2000) is an Italian professional tennis player. He has a career-high ATP singles ranking of No. 183 achieved on 9 June 2025 and a doubles ranking of No. 399, reached on 24 April 2023.
Arnaboldi plays mostly on the ATP Challenger Tour, where he has won one singles title at the 2024 Int. di Verona.
Arnaboldi made his ATP main draw debut at the 2023 Italian Open after receiving a wildcard into the doubles main draw with Gianmarco Ferrari.
His cousin, Andrea, is a former tennis player.