Henri Joona Julius Laaksonen (Finnish: [ˈhenri ˈlɑːksonen], Swiss Standard German: [ˈhɛnriː ˈlaːksonɛn]; born 31 March 1992) is a Swiss inactive professional tennis player. His highest singles ranking is world No. 84, which he achieved on 14 February 2022, and his highest doubles ranking is world No. 191, achieved on 24 December 2018.