The 1887 All-Ireland Senior Football Championship is the first edition of GAA's premier inter-county Gaelic football tournament, played between 12 counties of Ireland.

The 21 a-side final was between Commercials of Limerick and Young Irelands of Louth.

The final was played in Beech Hill, Donnybrook on April 29, 1888, with Commercials winning by 1-4 to 0-3.

Unlike later All-Irelands, there were no provincial championships and it was an open draw.

In the very first All-Ireland championship the participating counties were represented by the following clubs: