The Lawes Baronetcy, of Rothamsted in the County of Hertford, is a title in the Baronetage of the United Kingdom. It was created on 19 May 1882 for the entrepreneur and agricultural scientist John Bennet Lawes.

Lawes baronets, of Rothamsted (1882)

• Sir John Bennet Lawes, 1st Baronet (1814–1899)
• Sir Charles Lawes-Wittewronge, 2nd Baronet (1843–1911)
• Sir John Bennet Lawes-Wittewronge, 3rd Baronet (1872–1931)
• Sir John Claud Bennet Lawes, 4th Baronet (1898–1979)
• Sir (John) Michael Bennet Lawes, 5th Baronet (1932–2009)

On the death of the 5th baronet, the baronetcy became extinct.