Henry Charles Tonking (17 January 1863 – 7 June 1926) was a British organist. Tonking was organist at the Royal Aquarium, Westminster (1886), St Luke's Church, West Norwood (1887), and, from 1888, at the Covent Garden Opera. He also gave recitals at the Crystal Palace, at the Bow and Bromley Institute, and the Royal Albert Hall Sunday Concerts (1895-1905).