Gustaf Nyblæus (23 March 1816 – 6 October 1902) was a Swedish Army colonel, gymnast and member of the Riksdag.
[1][2] As a politician he worked to make gymnastics a bigger part of school in Sweden.
He attended the Royal Central Gymnastics Institute (today the Swedish School of Sport and Health Sciences) from 1836 to 1837, was a junior teacher there from 1838 to 1842, fencing instructor at Lund University from 1842 to 1862, acting director of the Royal Central Gymnastics Institute from 1862 to 1864, and permanent director from 1864 to 1887.
His gymnastic writings include Undervisning i gymnastik efter Ling (1847, 2nd edition 1866) and Plastiska kroppsöfningar.
He also published a number of smaller poems such as "Dalkarlasången" (1840), "Harposlag" (1846) and "Johan Banér.