Jan Kanty Steczkowski (Polish pronunciation: [ˈjan ˈkantɨ stɛt͡ʂˈkɔfskʲi]; 16 October 1862, Dąbrowa Tarnowska – 3 September 1929, Kraków) was a Polish economist, solicitor and politician.

Steczkowski served as Minister of Finance of Poland in the government of Jan Kucharzewski.

On 4 April 1918, the Regency Council set up a government in which he became the Prime Minister.

Steczkowski returned to politics in the government of Wincenty Witos (1920–1921), once again leading the Ministry of Finance.

This biographical article about a Polish politician is a stub.