Sampo Ala-Iso (born 6 March 2003) is a Finnish professional football player who plays as a centre back for Ykkönen side KPV.

Ala-Iso played in the youth sectors of Kemin Palloseura and TP-47, before moving to Rovaniemi when aged 16 and joining Rovaniemen Palloseura (RoPS).

[1][2] On 29 January 2022, Ala-Iso signed a two-year deal with IF Gnistan, playing in the second-tier level Ykkönen.

[3] At the end of the 2023 season, Gnistan won promotion to Veikkausliiga, and on 12 December 2023, the club exercised their option to extend Ala Iso's contract for the 2024 season.

[5] Ala-Iso represented Finland at under-16 youth international level on three occasions.