Robert Filmer was a political theorist.

Robert Filmer is also the name of:

• Sir Robert Filmer, 1st Baronet, of the Filmer baronets, father of Edward Filmer
• Sir Robert Filmer, 2nd Baronet (1648–1720), of the Filmer baronets
• Sir Robert Marcus Filmer, 10th Baronet (1878–1916), of the Filmer baronets