Henry George Liddell (; 6 February 1811 – 18 January 1898) was dean (1855–91) of Christ Church, Oxford, Vice-Chancellor of Oxford University (1870–74), headmaster (1846–55) of Westminster School (where a house is now named after him), author of A History of Rome (1855), and co-author (with Robert Scott) of the monumental work A Greek-English Lexicon, known as "Liddell and Scott", which is still widely used by students of Greek. Lewis Carroll wrote Alice's Adventures in Wonderland for Henry Liddell's daughter Alice.