Boscawen is a surname. Notable people with the surname include:
Arthur Townshend Boscawen (1862–1939), Cornish gardener, horticulturist and clergyman
Charles Boscawen (1627–1689), English politician
Edward Boscawen (MP) (1628–1685), English politician
Edward Boscawen (1711–1761), British admiral, third son of Hugh Boscawen, 1st Viscount Falmouth
Edward Boscawen, 1st Earl of Falmouth (1787–1841), British peer and politician
Evelyn Boscawen, 6th Viscount Falmouth (1819–1889), horse breeder and classic race winner
Evelyn Boscawen, 7th Viscount Falmouth (1847–1918), British army officer
George Boscawen, 3rd Viscount Falmouth (1758–1808), British army officer and statesman
George Boscawen, 2nd Earl of Falmouth (1811–1852), British peer and politician
George Boscawen, 9th Viscount Falmouth (1919– ), British peer
Hugh Boscawen, 1st Viscount Falmouth (c. 1680–1734), British peer and politician
Hugh Boscawen, 2nd Viscount Falmouth (1707–1782), British peer and politician
Hugh Boscawen (1625–1701), British peer and politician
