Wojciech Stefan Trampczynski (8 February 1860 – 2 March 1953) was a Polish lawyer and National Democratic politician.
Voivode of the Poznan Voivodeship in 1919.
He served as marshal of the Sejm of Poland from 1919–1922 and Senate of Poland from 1922 to 1928.
Trampczynski was born in Deblowo in the Prussian Province of Posen (present-day Poland).
He graduated from the law faculty of the University of Wroclaw.