Mamoru-kun ni Megami no Shukufuku o! (護くんに女神の祝福を!, "To Mamoru-kun, the Blessings of the Goddess!"), also known as Venus to Mamoru, is a Japanese light novel series written by Hiroki Iwata and illustrated by Toshiyuki Satō following Mamoru Yoshimura and his far-from-normal high school life with girlfriend Ayako Takasu, who possess magical powers called "Beatrice".

The series was first published on September 25, 2003 by MediaWorks. An anime television series adaptation animated by Zexcs was broadcast on Wowow from October 6, 2006, to March 30, 2007, airing 24 episodes.