| 1927 Connacht Senior Football Championship | |
| Trophy: | J. J. Nester Cup |
| Num Teams: | 5 |
| Winners: | Leitrim |
| Ordinal: | 1 |
| Qualify For: | All-Ireland SFC |
| Previous: | 1926 |
| Next: | 1928 |
The 1927 Connacht Senior Football Championship the installment of the annual Connacht Senior Football Championship held under the auspices of Connacht GAA.
The winning team qualified for the 1927 All-Ireland Senior Football Championship.
Leitrim won their first title and their last until 1994.[1]
The Connacht championship is contested by the five counties in the Irish province of Connacht.
| Team | Colours | Sponsor | Manager | Captain | Most recent success | ||
|---|---|---|---|---|---|---|---|
| All-Ireland | Provincial | ||||||
| Galway | Maroon and white | 1926 | |||||
| Leitrim | Green and gold | ||||||
| Mayo | Green and red | 1924 | |||||
| Roscommon | Primrose and royal blue | 1914 | |||||
| Sligo | Black and white | ||||||
An objection was made and a replay ordered.----[Match abandoned following a disputed goal for Mayo after 12 minutes. Sligo withdrew from the championship and Mayo were awarded the tie.]----An objection was made and a replay ordered.------------