when did geelong last win

Geelong Football Club’s last AFL premiership win was in 2022, when they defeated the Sydney Swans in the Grand Final.

If you meant “when did Geelong last win a game ” rather than a flag, that depends on the specific season and round you’re asking about, and I’d need a bit more detail (for example “last home-and-away win in 2025” or “last finals win”).