| Club: | Ayr United |
| Season: | 1912–13 |
| Manager: | Selection Committee |
| Stadium: | Somerset Park |
| League: | Scottish Second Division |
| League Result: | 1st |
| Cup1: | Scottish Cup |
| Cup1 Result: | Second Round (lost to Airdrieonians) |
| Leftarm1: | FEB300 |
| Pattern La1: | _red_hoops |
| Body1: | FEB300 |
| Pattern B1: | _redhoops |
| Rightarm1: | FEB300 |
| Pattern Ra1: | _red_hoops |
| Shorts1: | 0000BB |
| Socks1: | 0000BB |
| Prevseason: | 1911–12 |
| Nextseason: | 1913–14 |
The 1912–13 season was the third season of competitive football by Ayr United.
See main article: 1912–13 Scottish Division Two.
See main article: 1912–13 Scottish Cup.