Algernon Sydney Griffiths (23 May 1847 – 18 April 1899) was an English first-class cricketer active 1867–73 who played for Middlesex. He was born in Marylebone and died in West Kensington.[1] He was the son of George Richard Griffiths and Letitia Chatfield. According to an entry in Burke's Landed Gentry,[2] he was a brevet colonel and lieutenant-colonel in the Royal Artillery. In the Army List of 1888, he was described as a major.[3] His brother, Herbert, was also a first-class cricketer.