• the adjective meaning either 1. Associated with the upper classes, or 2. Stylish, elegant, exclusive
• Posh (album), an album by R&B singer Patrice Rushen
• Posh (TV series), a planned NBC series
• Posh (Unix), a Policy compliant Ordinary Shell
• Posh!, aka P-O-S-H, a song from the musical Chitty Chitty Bang Bang
• Poshlib, the Portable Open Source Harness
• Victoria Beckham, known as "Posh Spice" or simply "Posh"

POSH may refer to:

• Plain Old Semantic HTML
• POSH (TV series), a QTV series

See also

• Port Out, Starboard Home, popular but false etymology of the word "posh"
• Windows PowerShell, abbreviated "PoSH"
• Peterborough United F.C., nicknamed "The Posh"