Matthew Gregson (1749–1824), English antiquary
Thomas Gregson (1798–1874), Premier of Tasmania
Michael Gregson, a character in the show Downton Abbey.
Inspector Tobias Gregson is a minor character in Sherlock Holmes of Arthur Conan Doyle.
Captain Thomas "Tommy" Gregson, a character on the show Elementary.
Gregson Wikipedia (Text) CC BY-SA
