2018 Geylang International FC season

The 2018 season is Geylang International's 23rd consecutive season in the top flight of Singapore football and in the S.League. Along with the S.League, the club will also compete in the Prime League, the Singapore Cup and the Singapore League Cup.

November 2017
On 28/11/2017, it was reported that there has been a rift between some Geylang International players and the club's management.

Out
Note 1: Ricardo Sendra was initially signed by Perseru but was released before the season start.

Retained
Note 2: Yuki Ichikawa was initially released after the season but subsequently re-signed for 2018.

Singapore Cup
Geylang International lost 1-0 on aggregate.