Stanley Brett (18 November 1879 – 29 October 1923) was a British musical comedy actor and comedian.
In 1902 he appeared with his brother Seymour Hicks and sister in law Ellaline Terriss in Bluebell in Fairyland and in Quality Street at the Vaudeville Theatre, London.
In 1903 he appeared in The Cherry Girl, and in 1904 he played Higham Montague in The Catch of the Season.
He then went on to succeed his brother in many other productions including The Beauty of Bath (1905), Aldwych and Hicks (1906) and Alice in Wonderland (1906).
In 1912 he toured with The Gay Gordon's and also played Gaston Bocard in The Glad Eye, as well as A Girl in Possession at the London Pavilion.