Billy Tsikrikas (born 11 May 1995) is a Greece international rugby league footballer who plays as prop for the South Sydney Rabbitohs in the NRL.

[citation needed] Tsikrikas played the majority of his junior football at St Marys Saints in the Ron Massey Cup until 2019 when he was signed to a development contract by the Penrith Panthers.

[citation needed] Tsikrikas featured in the Penrith Panthers NSW Cup squad after earning a reserve grade contract, playing four games and scoring one try.

[citation needed] Freshly appointed Canterbury-Bankstown Bulldogs general manager Phil Gould, having initially recruiting Tsikrikas to the Penrith Panthers handed him a train-and-trial contract.

A crisis struck the Canterbury football club as four players tested positive to COVID-19[5] As three more were injured, Phil Gould applied to the NRL for special exemption to allow Tsikrikas to replace his teammate Ava Seumanafagai on the bench for their round 7 match against the Brisbane Broncos on 22 April 2022 at Suncorp Stadium.