Admiral FitzRoy (disambiguation)

Robert FitzRoy (1805–1865) was a Royal Navy vice admiral known for being captain of HMS Beagle during Charles Darwin's voyage.

Admiral FitzRoy may also refer to:


 * Henry FitzRoy, Duke of Richmond and Somerset (1519–1536), Lord High Admiral of England, an honorary title with no corresponding authority
 * Robert O'Brien FitzRoy (1839–1896), British Royal Navy vice admiral
 * Lord William FitzRoy (1782–1857), British Royal Navy rear admiral