Admiral Arbuthnot may refer to:
Charles Ramsay Arbuthnot (1850–1913), British Royal Navy admiral Geoffrey Arbuthnot (1885–1957), British Royal Navy vice admiral Mariot Arbuthnot (1711–1794), British Royal Navy admiral Sir Robert Arbuthnot, 4th Baronet (1864–1916), British Royal Navy rear admiral
See also Alexander Dundas Young Arbuthnott (c. 1789–1871), British Royal Navy rear admiral