Addy may refer to:
- Addy (surname)
- Addy, Washington, US, an unincorporated community
- Addy Awards, advertising competition
- Zack Addy, fictional character in the television series Bones
- Addy Walker, a doll from the American Girl series
- Adderall, a drug for ADHD and narcolepsy
- Adamantite, an imaginary rock or mineral of impenetrable hardness
See also
edit- Addey (disambiguation), a surname
- Addie (disambiguation)