Russell Henry Manners (31 January 1800 – 9 May 1870) was an Admiral in the British Royal Navy and later President of the Royal Astronomical Society. He was born in London, the only child of the member of parliament Russell Manners. In 1813 he was sent to the Royal Naval College, and in 1816 he began a career in the British Royal Navy. He first served on the Minden, and in 1818 he became a midshipman on the Orlando. He served on the Malabar, Spartan, and Pyramus before gaining his Lieutenancy on the Tyne. He continued to serve until 1827 when he gained command of the Britomart.