Fanny Geefs (1807–1883) was a Belgian painter of Irish descent.Born Isabelle Marie Françoise Corr in either Dublin or Brussels, she studied art as a child. In the 1830s she studied with François-Joseph Navez. As well as portraiture, she painted religious and historical scenes such as Our Lady Appearing to the Oppressed which hangs in the Church of the Holy Family in Schaerbeek.