Nicolas Arseneault (born 18 January 2007) is a Canadian tennis player. He has a career-high ATP singles ranking of world No. 491, achieved on 8 August 2025 and a doubles ranking of No. 742, achieved on 21 July 2025.
Arseneault has agreed to play college tennis at University of Kentucky at 2025 season.
Arseneault made his ATP Tour main draw debut after receiving a wildcard for the 2025 National Bank Open. He defeated qualifier Valentin Royer in the first round win. He lost to defending champion Alexei Popyrin in the second round.
Arseneault has two siblings who also play tennis: His older sister Ariana and a twin brother, Mikael.