The champions that counter Galio hardest in support are Taric (44.82%), Senna (44.91%) and Soraka (45.98%) — those are Galio's own pooled win rates. The easiest matchups are Yuumi (52.13%), Bard (50.87%) and Rakan (50.82%).
35 researched matchup guides for Galio in support, most-played first. Win rates are Galio's side, pooled Emerald+ games sampled July 2026.
| Matchup | Win rate | Games | Favour |
|---|---|---|---|
| Galio vs Thresh | 48.08% | 8,473 | Leans Thresh |
| Galio vs Nautilus | 49.59% | 6,957 | Even |
| Galio vs Seraphine | 47.84% | 6,821 | Leans Seraphine |
| Galio vs Lulu | 49.8% | 5,482 | Even |
| Galio vs Senna | 44.91% | 4,903 | Senna favoured |
| Galio vs Leona | 46.7% | 4,799 | Leans Leona |
| Galio vs Karma | 50.01% | 4,745 | Even |
| Galio vs Lux | 50.18% | 4,592 | Even |
| Galio vs Pyke | 50.38% | 4,470 | Even |
| Galio vs Nami | 49.85% | 4,309 | Even |
| Galio vs Bard | 50.87% | 4,126 | Leans Galio |
| Galio vs Milio | 48.28% | 3,600 | Leans Milio |
| Galio vs Blitzcrank | 50.29% | 3,579 | Even |
| Galio vs Yuumi | 52.13% | 3,123 | Leans Galio |
| Galio vs Braum | 47.12% | 3,005 | Leans Braum |
| Galio vs Alistar | 49.82% | 2,762 | Even |
| Galio vs Morgana | 46.41% | 2,732 | Leans Morgana |
| Galio vs Vel'Koz | 47.37% | 2,645 | Leans Vel'Koz |
| Galio vs Soraka | 45.98% | 2,638 | Leans Soraka |
| Galio vs Rell | 47% | 2,487 | Leans Rell |
| Galio vs Xerath | 48.34% | 2,414 | Leans Xerath |
| Galio vs Rakan | 50.82% | 2,194 | Leans Galio |
| Galio vs Janna | 46.04% | 2,022 | Leans Janna |
| Galio vs Brand | 49.29% | 1,907 | Even |
| Galio vs Sona | 46.03% | 1,890 | Leans Sona |
| Galio vs Zilean | 48.27% | 1,821 | Leans Zilean |
| Galio vs Poppy | 48.36% | 1,772 | Leans Poppy |
| Galio vs Swain | 50.79% | 1,768 | Leans Galio |
| Galio vs Zyra | 47.99% | 1,713 | Leans Zyra |
| Galio vs Tahm Kench | 46.96% | 1,678 | Leans Tahm Kench |
| Galio vs Neeko | 50.24% | 1,232 | Even |
| Galio vs Maokai | 48.76% | 1,132 | Leans Maokai |
| Galio vs Hwei | 49.04% | 938 | Leans Hwei |
| Galio vs Taric | 44.82% | 783 | Taric favoured |
| Galio vs Renata Glasc | 49.09% | 770 | Leans Renata Glasc |