Jason Kato Geria (born 10 May 1993) is an Australian professional soccer player who plays as a defender for Albirex Niigata in the J1 League, and the Australia national team.

[6] Geria was a member of the Australian Institute of Sport football program before joining Brisbane Roar's youth team in 2011.

[15] In the January transfer window of 2025, Geria secured a move to J1 League club Albirex Niigata, marking his second spell playing in Japan.

Geria played for Australia numerous times at youth level, including participating in the 2013 FIFA U-20 World Cup, and the 2016 AFC U-23 Championship.

[18] In October 2024, Geria was called up by Tony Popovic ahead of their 2026 FIFA World Cup qualifying matches against China and Japan.