* Field Marshal William Slim, 1st Viscount Slim (1897 – 1970), British military commander and 13th Governor-General of Australia.
* Slim (movie) is the title of a 1934 novel by William Wister Haines and a 1937 movie starring Henry Fonda.
* Slim (band) is a musical group from Oakland, California.
* For Carlos Slim, the fourth richest man in the world; see Carlos Slim Helú.
* Slim, a popular cat owned by Aemil Folgizan of Vancouver, British Columbia, Canada