Alexandre Miniac (5 July 1885 – 3 December 1963) was a French architect and watercolorist.

Son of Paul Miniac (1851-1936), fabric merchant, and Marie Desmonts (1854-1934), Alexandre Miniac is the great-nephew of the French academician Louis Duchesne.

His brother is Edmond Miniac, attorney general at the court of cassation in Paris (France).

By decree of December 12, 2023, Albert's town hall, the work of Alexandre Miniac, was listed as a historic monument.

This article about a French architect is a stub.