Henry George Tossell (c. 1854 – 24 March 1933) was an Australian politician who represented the South Australian House of Assembly multi-member seat of Yorke Peninsula from 1915 to 1930 for the Liberal Union and Liberal Federation. He was elected to the safe conservative House of Assembly seat of Yorke Peninsula at the 1915 state election, and was re-elected four times. He retired at the 1930 election. Tossell's wife died in August 1918 following a serious illness.