Perry Mason is a fictional criminal defense attorney.

Perry Mason may also refer to:

• Perry Mason (theatrical film series), a series of 6 American films released in the 1930s.
• Perry Mason (TV series), a 1957–1966 American legal drama television series broadcast on CBS Television
• Perry Mason (TV film series), a series of 30 television film sequels to the CBS-TV series broadcast on NBC (1985–1995)
• Perry Mason bibliography, novels and short stories written by Erle Stanley Gardner
• Perry Mason (radio series), broadcast on CBS Radio from 1943–55
• "Perry Mason", an Ozzy Osbourne song on the album Ozzmosis
• Jah Mason (born 1970), reggae artist formerly known as Perry Mason

• ASTM F 1592
• ASTM F 1643
• ASTM F 1712
• ASTM F 1915
• ASTM F 2248
• ASTM F 2322
• ASTM F 2348
• ASTM F 571
• ASTM F 626
• ASTM F 883
• Astmoor
• ASTM rounding
• ASTM Standards
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• ASTN
• AST National Academy of Theatre Arts in Kraków
• A S Tobey
• A. S. Tobey
• Astochastic
• A Stock
• A. Stockl
• A-Stoff
• AS Togo-Port
• Astola Island
• Astola saw-scaled viper