Alexander Gerard FRSE (22 February 1728 – 22 February 1795) was a Scottish minister, academic and philosophical writer.
The son of Rev. Gilbert Gerard, he was educated at Aberdeen, where he became Professor, first of Natural Philosophy at Marischal College in 1750, and afterwards between 1760–1771 of Divinity, taking up the post of Professor of Divinity at King's College in 1771. As a professor he introduced various reforms. During this time he was also one of the ministers of the city. In 1764 he was the Moderator of the General Assembly of the Church of Scotland.
- In 1756 he gained the prize for an Essay on Taste which, together with an Essay on Genius, he subsequently published. These treatises, though now superseded, gained for him considerable reputation.
- Compendious View of the Evidences of Natural and Revealed Religion the joint work by Alexander Gerard and his son Gilbert Gerard, published 1828.
Gilbert Gerard was his son.