William Brouncker
William Brouncker may refer to:
- Sir William Brouncker (Wiltshire MP, died 1596), English landowner, lawyer and MP for Westbury and Wiltshire
- William Brouncker, 1st Viscount Brouncker, English courtier, nephew of the above
- William Brouncker, 2nd Viscount Brouncker, English mathematician, son of the above
- William Brouncker (Westbury MP, died 1680), English landowner and MP for Westbury, great-grandson of Sir William Brouncker