A planet, in astronomy, is one of a class of celestial bodies that orbit stars. (A dwarf planet is a similar, but officially mutually exclusive, class of body.)
Planet or Planets may also refer to:
- The Planet (film), a 2006 Swedish documentary film
- The Planets (film), 1983
- The Planets, first-season title of The Planets and Beyond, a Science Channel documentary series
- The Planets (1999 TV series), a BBC TV documentary series
- The Planets (2019 TV series), a BBC TV documentary series presented by Professor Brian Cox
- Planète (TV channel), a French television channel, now known as Planète+
- Planetes, 2003 Sunrise, Inc. manga and anime television series
- Planet or Captain Planet, character in Captain Planet and the Planeteers
- The Planets, a suite of orchestral music by Gustav Holst
- The Planets (band), a classical music band formed by Mike Batt
- Planets (Adema album), by Adema
- Planets, an album by the art rock band One Ring Zero
- Planets (Eloy album), by the German band Eloy from 1982
- "Planets" (song), a 2010 song by the Australian pop-rock band Short Stack
- "Planet", a song from the album Here Today, Tomorrow Next Week! by The Sugarcubes
- Planet, a series of EPs by Basement Jaxx
- "Planets", a song by Avenged Sevenfold from Hail to the King
- The Planet (album), by Young Ejecta
- "The Planet", a 2023 song by BTS
- Planet, a Jacques Vert retail clothing brand
- Planet (company), a financial services company specialised in multicurrency payments, credit card processing and the management of Tax-free shopping
- Planet Labs, an American public Earth imaging company