Alexander Hay (8 January 1865 – 8 May 1941) was a New Zealand-born Australian pastoralist, businessman and politician.

Hay was born at Parua Bay in New Zealand and was educated at Auckland Grammar School.

[1] They undertook a significant development project which saw about 400 freeholders settled onto the land, while retaining the Coolangatta Homestead as their own.

Hay subsequently undertook successful investments in pastoral properties in Queensland, which he in turn invested into mining concerns in New South Wales, including the Mount Royal Copper Mine, and rubber interests in the Territory of Papua.

[4] Hay enlisted for service in World War I in October 1915 in the 2nd Remount Unit and was posted to Egypt; he was promoted to major during his deployment and returned to Australia in 1916.