Red triangle

Red triangle could refer to:

• A red triangle was the symbol used in Nazi concentration camp badges for political prisoners
• The symbol of the Brazilian state of Minas Gerais
• A fictional circus featured in the film Batman Returns
• Red Triangle (Pacific Ocean), a shark-infested Pacific Ocean region off the northern California coast
• Red Triangle, Family Planning, the symbol for family planning health and contraception services
• Red triangle slug, a species of land slug from Australia
• The "iconic red triangle" trademark of Bass Brewery, England's first registered trademark

As a warning symbol

• Red triangle (Channel 4), British television content warning system