| Country (sports) |  Sweden |
|---|---|
| Born | 22 August 2002 Växjö, Sweden |
| Height | 1.89 m (6 ft 2 in) |
| Plays | Right-handed (one-handed backhand) |
| Coach | Petar Bubalo |
| Prize money | US $70,933 |
| Singles | |
| Career record | 0–0 (at ATP Tour level, Grand Slam level, and in Davis Cup) |
| Career titles | 0 |
| Highest ranking | No. 735 (17 February 2025) |
| Doubles | |
| Career record | 0–4 (at ATP Tour level, Grand Slam level, and in Davis Cup) |
| Career titles | 10 ITF |
| Highest ranking | No. 109 (19 October 2026) |
| Current ranking | No. 109 (19 October 2026) |
| Last updated on: 19 October 2026. | |
Adam Heinonen (born 22 August 2002) is a Swedish tennis player. Heinonen has a career high ATP singles ranking of No. 735 achieved on 17 February 2025 and a career high ATP doubles ranking of No. 109 achieved on 19 October 2026.
Heinonen made his ATP main draw debut at the 2024 Stockholm Open after receiving a wildcard into the doubles main draw with Leo Borg.
Heinonen represents Sweden at the Davis Cup, though he has not yet appeared in a match.
