Adventure Time is an American animated television series on Cartoon Network.

Adventure Time may also refer to:

• Adventure Time (1959 TV series), a 1959–1975 live-action television show for children on WTAE TV-4 in Pittsburgh
• Adventure Time (1967 TV series), a 1967 Canadian television series
• "Adventure Time", a 2003–2004 musical collaboration between Daedelus and DJ Frosty on the Plug Research record label
• "Adventure Time" (pilot), a 2007 animated pilot created by Pendleton Ward and the basis for the Cartoon Network series
• Adventure Time (album), an album by the Elvis Brothers

• Henry Tuilagi
• Henry Tupper
• Henry Turner
• Henry Turner (basketball)
• Henry Turner (endocrinologist)
• Henry Turner Irving
• Henry Turner Uzun
• Henry T. Weinstein
• Henry "Two Bits" Homan
• Henry T. Yang
• Henry T Yang
• Henry Tye
• Henry Tyrell-Smith
• Henry (Ugly Betty)
• Henry U. Johnson
• Henry Ulke
• Henry Underhill
• Henry Underwood (architect)
• Henry Underwood Johnson
• Henry Urmston Willink
• Henry Usborne
• Henry Usher Hall
• Henry (vacuum cleaner)
• Henry V. Aernam
• Henry Vail