Sun City may refer to:

• Sun City, Arizona, Del Webb's original "Sun City" development, and model for subsequent communities
• Sun City Festival (Buckeye, Arizona)
• Sun City, California
• Sun City Center, Florida
• Sun City, Florida
• Sun City, Kansas
• Sun City, Summerlin, Nevada
• Sun City, Hilton Head, South Carolina
• Sun City, Texas
• Sun City West, Arizona
• A nickname of El Paso, Texas

• Sun City (South Africa), a luxury casino resort, situated in the North West Province of South Africa
• Translation of Cité Soleil, a Haitian commune
• A nickname of Cagliari, Sardinia
• Literal translation of Ilioupoli, Greece
• A nickname of Szeged, Hungary
• A nickname of Écija, Spain ("la ciudad del sol")

• Sun City (TV series)

• "Sun City" (song), a 1985 protest song by Artists United Against Apartheid
• Sun City (album), a 1985 album by Artists United Against Apartheid
• Sun City Girls, American rock band
• Suncity, a 2018 EP by American singer Khalid

• Heliopolis (disambiguation)
• City of the Sun (disambiguation)
• Sun City Agreement of the Second Congo War, signed 2002 in Sun City, South Africa
• Sunshine City (disambiguation)
• Suryapura (disambiguation), Surajpur (disambiguation), Surajpura (disambiguation); Sun City in Indic languages