Robert Adair

Robert Adair may refer to:


 * Robert Adair (of Hollybrook) (died 1737), Irish MP for Philipstown (Parliament of Ireland constituency) and protagonist in one version of the song "Robin Adair"
 * Robert Adair (surgeon) (died 1790), English surgeon, Inspector-General of the Hospitals and surgeon of the Royal Hospital, Chelsea, father of the politician
 * Sir Robert Adair (politician) (1763–1855), British diplomat, son of the surgeon
 * Robert Adair, 1st Baron Waveney (1811–1886), English politician, MP for Cambridge 1847–1852 and 1854–1857
 * Robert Adair (cricketer) (1876–1951), Irish cricketer
 * Robert Adair (actor) (1900–1954), American actor
 * Robert Adair (physicist) (1924–2020), American physicist