Henry Aglionby Aglionby (1790 – 31 July 1854) was a British barrister and Whig politician.
Born Henry Aglionby Bateman, he was the son of Rev. Samuel Bateman and Anne Aglionby. Anne became one of the co-heirs of the Aglionby family when her brother Christopher died without issue in 1785; Henry adopted the name of Aglionby in 1798 by the will of his aunt Julia Aglionby. Aglionby was educated at St John's College, Cambridge, where he graduated with a BA in 1813 and a MA in 1816.