There have been two Baronetcies created for persons with the surname Sullivan, both in the Baronetage of the United Kingdom. One creation is extant as of 2010.

The Sullivan Baronetcy, of Thames Ditton in the County of Surrey, was created in the Baronetage of the United Kingdom on 22 May 1804 for the writer and MP Richard Sullivan

Sir Richard Sullivan, 1st Baronet

Sir Richard Joseph Sullivan, 1st Baronet was a British MP and writer.-Biography:He was born the third son of Benjamin Sullivan of Dromeragh, Co. Cork, by his wife Bridget, daughter of Paul Limrick, D.D....

. The third and sixth Baronets were Admiral

Admiral

Admiral is the rank, or part of the name of the ranks, of the highest naval officers. It is usually considered a full admiral and above vice admiral and below admiral of the fleet . It is usually abbreviated to "Adm" or "ADM"...

s in the Royal Navy

Royal Navy

The Royal Navy is the naval warfare service branch of the British Armed Forces. Founded in the 16th century, it is the oldest service branch and is known as the Senior Service...

. The ninth and as of 2010 present holder of the baronetcy does not use his title.

The Sullivan Baronetcy, of Garryduff in the County of Cork, was created in the Baronetage of the United Kingdom on 29 December 1881 for the Irish lawyer and politician Edward Sullivan

Sir Edward Sullivan, 1st Baronet

Sir Edward Sullivan, 1st Baronet PC , was an Irish lawyer, and a Liberal Member of Parliament for Mallow, 1865-1870 in the House of Commons of the United Kingdom of Great Britain and Ireland. He was also Solicitor General for Ireland, 1865-1866, Attorney General for Ireland, 1868, Master of the...

. He was Lord Chancellor of Ireland

Lord Chancellor of Ireland

The office of Lord Chancellor of Ireland was the highest judicial office in Ireland until the establishment of the Irish Free State in 1922. From 1721 to 1801 it was also the highest political office of the Irish Parliament.-13th century:...

 from 1883 to 1885. The title became extinct on the death of the third Baronet in 1937.

Sullivan Baronets, of Thames Ditton (1804)

• Sir Richard Joseph Sullivan, 1st Baronet
  Sir Richard Sullivan, 1st Baronet
  Sir Richard Joseph Sullivan, 1st Baronet was a British MP and writer.-Biography:He was born the third son of Benjamin Sullivan of Dromeragh, Co. Cork, by his wife Bridget, daughter of Paul Limrick, D.D....
  
   (1752-1806)
• Sir Henry Sullivan, 2nd Baronet (1785-1814)
• Sir Charles Sullivan, 3rd Baronet (1789-1862), Admiral of the Blue
• Sir Charles Sullivan, 4th Baronet (1820-1865)
• Sir Edward Robert Sullivan, 5th Baronet (1826-1899)
• Sir Francis William Sullivan, 6th Baronet
  Sir Francis Sullivan, 6th Baronet
  Admiral Sir Francis William Sullivan, 6th Baronet KCB CMG was a Royal Navy officer who went on to be Commander-in-Chief, Cape of Good Hope Station.-Naval career:...
  
   (1834-1906)
• Sir Frederick Sullivan, 7th Baronet (1865-1954)
• Sir Richard Benjamin Magniac Sullivan, 8th Baronet (1906-1977)
• (Sir) Richard Arthur Sullivan, 9th Baronet (b. 1931)

Sullivan Baronets, of Garryduff (1881)

• Sir Edward Sullivan, 1st Baronet
  Sir Edward Sullivan, 1st Baronet
  Sir Edward Sullivan, 1st Baronet PC , was an Irish lawyer, and a Liberal Member of Parliament for Mallow, 1865-1870 in the House of Commons of the United Kingdom of Great Britain and Ireland. He was also Solicitor General for Ireland, 1865-1866, Attorney General for Ireland, 1868, Master of the...
  
  (1822-1885)
• Sir Edward Sullivan, 2nd Baronet (1852-1928)
• Sir William Sullivan, 3rd Baronet (1860-1937)