Robert Napier may refer to:
People
Robert Napier (engineer) (1791–1876), Scottish marine engineer
Sir Robert Napier (judge) (died 1615), English judge, Member of Parliament, Chief Baron of the Exchequer in Ireland
Sir Robert Napier, 1st Baronet, of Luton Hoo (1560–1637), English merchant
Sir Robert Napier, 2nd Baronet (c. 1603–1661), his son, Member of Parliament
Robert Napier (British Army officer, died 1766), British Adjutant-General to the Forces
Robert Napier, 1st Baron Napier of Magdala (1810–1890), British field marshal
Sir Robert Napier, 1st Baronet, of Punknoll (1642–1700), English lawyer and politician
Robert D. Napier (1821–1885), Scottish engineer
Sir Robert Surtees Napier (1932–1994), British baronet and soldier
Other uses
Robert Napier and Sons, Scottish marine engineering and shipbuilding firm
Robert Napier School, Gillingham, Kent