| Alexander Montgomery | |
| Birth Date: | 26 September 1871 |
| Birth Place: | Belfast, Ireland |
| Death Place: | Oxton, Birkenhead, England |
| Position: | Three-quarter |
| Repyears1: | 1895 |
| Repcaps1: | 1 |
| Reppoints1: | 0 |
Alexander Montgomery (26 September 1871 — 29 December 1927) was an Irish international rugby union player.
The son of a Presbyterian minister, Montgomery was a Belfast native and played his rugby in the city for North of Ireland, gaining a solitary Ireland cap in 1895 as a three-quarter against Scotland at Edinburgh. His elder brother Robert was capped five times for Ireland and was also a three-quarter.[1]
Montgomery was a medical practitioner by profession.[2]