The Heygate Baronetcy, of Southend in the County of Essex, is a title in the Baronetage of the United Kingdom. It was created on 30 September 1831 for William Heygate, Lord Mayor of London from 1822 to 1823 and Member of Parliament for Sudbury from 1818 to 1826. The second Baronet married Marianne Gage in 1851 and so acquired an estate at Bellarena, County Londonderry. He represented the constituency of County Londonderry in the House of Commons as a Conservative from 1859 to 1874. The third Baronet was Parliamentary Under-Secretary to the Lord-Lieutenant of Ireland, the Marquess of Londonderry, from 1887 to 1888.
The second son of the first baronet, William Unwin Heygate (1825–1902) was a Member of Parliament from 1861 to 1865 and from 1870 to 1880.
The family seat was Bellarena House, near Magilligan, County Londonderry.
Heygate baronets, of Southend (1831)
The heir apparent is the present holder's son Frederick Carysfort Gage Heygate (born 1988).