Herbert Ponsonby Loftus Gaussen (born Herbert Ponsonby Loftus Tottenham; 21 February 1871 – 28 June 1956) was an Irish first-class cricketer. The son of Arthur Loftus Tottenham and his wife, Sarah Ann Gore, he was born at Edenfarm in County Leitrim in February 1871. He married Emilia Gaussen of Brookmans Park in 1897. He was admitted to the London Stock Exchange in 1902, before emigrating to New Zealand, where he worked as a general carrier. While living in New Zealand, he made his debut in first-class cricket for Hawke's Bay against Canterbury at Napier. He served in the British Army, resigning his commission with the Royal Irish Rifles in April 1906.