Altti Hellemaa (born 25 July 2004) is a Finnish professional footballer who plays as a midfielder for Superettan club Trelleborg.
On 6 March 2023, he extended his deal with HJK until the end of 2025, and was loaned out to second-tier Ykkönen club SJK Akatemia.
[2][3][4] On 12 August 2023, Hellemaa was loaned out to fellow Ykkönen club Kokkolan Palloveikot (KPV) for the remainder of the season.
[7] On 4 April 2024, Hellemaa was loaned out to Ykkösliiga club Järvenpään Palloseura (JäPS) until the end of July.
On 2 December 2024, Hellemaa signed with Swedish Superettan club Trelleborgs FF on a deal until the end of 2027.