Robert Nesbitt may refer to:

• Robert Nesbitt (physician) (died 1761), English physician
• Robert Nesbitt (theatre director) (1906–1995), English theatre director, theatrical producer and impresario
• Robert Nesbitt (solicitor) (1868–1944), British solicitor and Unionist politician
• Robert Taylor Nesbitt (1843–1913), American politician in Georgia
• Robert H. Nesbitt (1883–1966), Australian trade commissioner to New Zealand
• Robert "Rab" C. Nesbitt, the lead character in the Scottish comedy series Rab C. Nesbitt

• Robert Nisbet (disambiguation)