Gareth Williams

• Gareth Williams, Baron Williams of Mostyn (1941–2003), Baron Williams of Mostyn
• Gareth Williams , American actor
• Gareth Williams , Latin Americanist, member of Latin American subaltern studies group
• Gareth Williams
• Gareth V. Williams, associate director of Minor Planet Center
• Gareth Williams (died 2010), employee of Britain's MI6, found dead in 2010

Sports

• Gareth Williams (born 1967), former footballer
• Gareth Williams (born 1981), who last played for Watford F.C.
• Gareth Williams (born 1982), played most notably for Colchester United and Crystal Palace
• Gareth Cyril Williams (born 1941), former footballer
• Gareth Powell Williams (born 1955), Wales and British Lions international rugby union player
• Gareth John Williams (born 1978), Wales international rugby union hooker
• Gareth Williams (born 1988), Welsh rugby union scrum-half
• Gareth Williams , South African tennis player, 1993 junior doubles winner in US Open

Music

• Gareth Williams , Canadian musician
• Gareth Williams (1953–2001), member of English group This Heat
• Gareth Williams , Scottish composer

See also

• Gary Williams