Judith Harris may refer to:

• Judith Rich Harris (1918-2018), psychology researcher and author
• Judith Harris, American poet and author
• Judith Lynette Harris, Senior UX/UI and Graphic Designer

• Up in the Air (2009)
• Up in the Air (Eureka)
• Up in the Air (film)
• Up In the Air (Music from the Motion Picture)
• Up in the Air (Music from the Motion Picture)
• Up in the Air (song)
• Up in the Cellar
• Up in the day
• Up in the Wind
• Upiol
• UPI Poll
• Upir
• Upis ceramboides
• Up-island spider
• UPisodes
• U-Piter (band)
• UPITN
• UPitt
• UPitt-Bradford Panthers
• UPitt-Greensburg Bobcats
• UPitt-Johnstown Mountain Cats
• U. Pitt. L. Rev.
• UPitt-Titusville Panthers
• UPitt–Bradford Panthers
• UPitt–Greensburg Bobcats