Théodore Tenaille-Saligny (22 February 1830 – 24 March 1889) was a French lawyer, civil servant and politician.
He came from a prosperous family, was a convinced republican, but was a strong opponent of the Paris Commune.
During the French Third Republic he served several times as a departmental prefect.
He made a number of attempts in national elections before finally becoming Senator for Nièvre from 1879 to 1888.