Robert Wainwright may refer to:

• Robert Wainwright (composer) (1748–1782), musician
• Robert Powell Page Wainwright (1852–1902), cavalry officer
• Rob Wainwright (rugby union) (born 1965), rugby union footballer
• Rob Wainwright (civil servant) (born 1967), former head of Europol
• Rob Wainwright (basketball) (born 1973), Filipino-American basketball player
• Robert Everard Wainwright (1913–1990), administrator of the Turks and Caicos

• List of Seattle Reign FC players
• List of Seattle Seahawks in the Pro Football Hall of Fame
• List of Seattle Sounders FC 2 players
• List of SechsKies concert tours
• List of secondary education systems by country
• List of secondary schools in Botswana
• List of secondary schools in Brunei
• List of secondary schools in Bulawayo
• List of secondary schools in Harare Province
• List of secondary schools in Mashonaland East
• List of secondary schools in Midlands Province
• List of secondary schools in Northern Cyprus
• List of secondary schools of Rupandehi district in 2015
• List of Second Boer War Monuments in the Netherlands
• List of second division football clubs in UEFA countries
• List of Second Ladies of the United States
• List of Seconds From Disaster episodes
• List of Second World War British airborne battalions
• List of secretaries
• List of Secretaries-General of the Democratic Progressive Party
• List of Secretaries General of the East African Community
• List of Secretaries-General of the Executive Yuan
• List of Secretaries-General of the Kuomintang
• List of Secretaries of State
• List of secretaries of state of Oregon