Only God Knows (Spanish: Sólo Dios sabe; Portuguese: Só Deus sabe) is a 2006 Mexican-Brazilian drama film directed by Carlos Bolado. It stars Alice Braga as Dolores, a Brazilian woman, who meets Dámian (Diego Luna), a Mexican who helps her to reach Mexico City after her passport is stolen.

Co-produced between Brazil and Mexico after an agreement undersigned in Venezuela, it is the first film produced jointly by the two countries. Filming took place in 2004 in Tijuana, Mexico City, Salvador, São Paulo, and San Diego. Post-production was done in São Paulo in 2005 and sound effects were produced in Skywalker Sound.

Its world premiere occurred on January 21 at the 2006 Sundance Film Festival, where it competed in the category Cinema Dramatic of the World Cinema section. It also entered the official selection of the Guadalajara International Film Festival and the Festival de Cine Iberoamericano de Huelva.