The Blackwell Baronetcy, of Sprowston in the County of Norfolk, was a title in the Baronetage of Great Britain.
The baronetcy was created on 16 July 1718 for Sir Lambert Blackwell, Kt of Sprowston Hall near Norwich, Norfolk.
[1] Descended from the Blackwells of Surrey, he was a younger son of John Blackwell of Mortlake.
He was a director of the South Sea Company and Member of Parliament for Wilton 1708-10.
The baronetcy became extinct on the death of his grandson, the third Baronet, in 1801.