A blood compact was an ancient ritual in the Philippines intended to seal a friendship or treaty, or to validate an agreement.

Blood compact may also refer to:

• Sandugo, a blood compact performed between Miguel López de Legazpi and Datu Sikatuna in the Philippines in 1565
• The Blood Compact, an 1886 painting by Juan Luna
• Blood Compact (film), a 1972 Philippine film

• Blood Oath (disambiguation)
• Blood Pact (disambiguation)
• Blood Promise (disambiguation)