Théodore[a] Tenaille-Saligny (22 February 1830 – 24 March 1889) was a French lawyer, civil servant and politician.

He was a follower of the political views of Adolphe Thiers, and ran on his platform for election for Nièvre for the National Assembly on 8 February 1871, but was defeated.

He ordered the arrest of 18 citizens at Cosne, who were taken to the Loiret Assize Court on charges of conspiracy in favor of the Paris Commune and given sentences ranging from six months to fifteen years in prison.

[8] He was elected Paris municipal councilor for St Germain l'Auxerrois on 29 November 1874 and held office until he resigned on 20 March 1876.

[8] He was also elected Nièvre general councilor for the canton of Varzy, holding office from January 1881 to August 1886.

Tenailly Saligny proposed that ships that had been ordered and were under construction in foreign shipyards should be exempt, but this was rejected.

He voted for restoration of divorce, for credits for the Tonkin Campaign of 1883–86, and for the 22 June 1886 law exiling the princes(fr).

[8] Tenaille-Saligny ran for reelection on 8 January 1888, refused to concede victory to the Radical list, but was eventually defeated in the third round.

[8] On 3 July 1889 Gabriel Alapetite married his daughter, Magdeleine Louise Etiennette Tenaille-Saligny (1867–1943).