The have been two Baronetcies created for members of the Waterlow family, both in the Baronetage of the United Kingdom. Both titles are still extant as of 2010.

The Waterlow Baronetcy, of London, was created in the Baronetage of the United Kingdom on 4 August 1873 for the banker, philanthropist and Liberal

Liberal Party (UK)

The Liberal Party was one of the two major political parties of the United Kingdom during the 19th and early 20th centuries. It was a third party of negligible importance throughout the latter half of the 20th Century, before merging with the Social Democratic Party in 1988 to form the present day...

 politician Sydney Waterlow. The second Baronet was Chairman of Waterlow and Sons, Ltd. Sir Sydney Waterlow

Sydney Waterlow (diplomat)

Sir Sydney Philip Perigal Waterlow was a British diplomat, Ambassador to Greece from 1933 to 1939.-Life:...

, son of George Sydney Waterlow, fourth son of the first Baronet, was Ambassador to Greece from 1933 to 1939.

The Waterlow Baronetcy, of Harrow Weald

Harrow Weald

Harrow Weald is an area in north-west London, England. It includes a suburban development and forms part of the London Borough of Harrow.-Locale, geography and history:...

 in the County of Middlesex, was created in the Baronetage of the United Kingdom on 28 October 1930 for William Waterlow, Managing Director of Waterlow Bros & Layton, Chairman of Waterlow & Sons Ltd and Lord Mayor of London

Lord Mayor of London

The Right Honourable Lord Mayor of London is the legal title for the Mayor of the City of London Corporation. The Lord Mayor of London is to be distinguished from the Mayor of London; the former is an officer only of the City of London, while the Mayor of London is the Mayor of Greater London and...

 between 1929 and 1930. He was the grandson of Alfred James Waterlow, elder brother of the first Baronet of the 1873 creation.

Waterlow Baronets, of London (1873)

• Sir Sydney Hedley Waterlow, 1st Baronet (1822–1906)
• Sir Philip Hickson Waterlow, 2nd Baronet (1847–1931)
• Sir Edgar Lutwyche Waterlow, 3rd Baronet (1870–1954)
• Sir Philip Alexander Waterlow, 4th Baronet (1897–1973)
• Sir Christopher Rupert Waterlow, 5th Baronet (b. 1959)

Waterlow Baronets, of Harrow Weald (1930)

• Sir William Alfred Waterlow, 1st Baronet (1871–1931)
• Sir William James Waterlow, 2nd Baronet (1905–1969)
• Sir Thomas Gordon Waterlow, 3rd Baronet (1911–1982)
• Sir (James) Gerard Waterlow, 4th Baronet (b. 1939)