Blood Oath
Blood Oath may refer to:
Arts and entertainment
- Blood Oath (album), a 2009 album by Suffocation
 - Blood Oath (Farnsworth novel), 2010
 - Blood Oath (film), a 1990 Australian film
 - "Blood Oath" (Star Trek: Deep Space Nine), a 1994 television episode
 - Blood Oath, a 1982 novel by David Morrell
 - Blood Oath, a fictional film in the 2002 video game Stuntman
 
Oaths
- A ritual performed by blood brothers
 - Blood oath (Hungarians), a pact between the leaders of the seven Hungarian tribes
 - Penalty (Mormonism), an oath formerly made in Latter Day Saint temples, referred to by critics as a "blood oath"