Admiral Seymour may refer to:
- Beauchamp Seymour, 1st Baron Alcester (1821âÂÂ1895), British Royal Navy admiral
- Edward Seymour (Royal Navy officer) (1840âÂÂ1929), British Royal Navy admiral
- Edward Seymour, 1st Duke of Somerset (1500âÂÂ1552), Lord High Admiral of England
- George Seymour (Royal Navy officer) (1787âÂÂ1870), British Royal Navy admiral
- Lord Henry Seymour (naval commander) (1540âÂÂ1588), English Navy vice admiral
- Lord Hugh Seymour (1759âÂÂ1801), British Royal Navy vice admiral
- Michael Seymour (Royal Navy officer, born 1802) (1802âÂÂ1887), British Royal Navy admiral
- Sir Michael Seymour, 1st Baronet (1768âÂÂ1834), British Royal Navy rear admiral
- Thomas Seymour, 1st Baron Seymour of Sudeley (c.âÂÂ1508âÂÂ1549), Lord High Admiral of England