Sir Henry King, 3rd Baronet PC (I) (c. 1681 – 1 January 1740) was an Anglo-Irish politician.
He sat in the Irish House of Commons as the Member of Parliament for Boyle between 1707 and 1727.
[1] In 1720 he succeeded his elder brother, John, to the family baronetcy.
Their eldest son, Robert King, was made Baron Kingsborough in 1748, while their second son, Edward King, was made Earl of Kingston in 1768.
Their daughter Isabella married Thomas St Lawrence, 1st Earl of Howth.