Act of Faith
Act of Faith may refer to:

Act of Faith (Christian), a prayer said by persons at the age of accountability
"Act of Faith" (Presence song)
Act of Faith (album), an album by Mucky Pup
"Act of Faith," a 1946 short story by Irwin Shaw
"Act of Faith", a song by Katey Sagal from Well...
Auto-da-fé, the ritual of public penance of condemned heretics and apostates