Hamar Alfred Bass (30 July 1842 – 8 April 1898) was a British brewer, race horse breeder and a Liberal Party politician who sat in the House of Commons from 1878 to 1898.Bass was born in Burton upon Trent, the second son of brewer Michael Thomas Bass and his wife Eliza Jane Arden, daughter of Major Samuel Arden of Longcrofts Hall, Stafford. Bass was the great-grandson of William Bass, the founder of the brewery firm of Bass & Co, and his elder brother became Lord Burton.