Tadeusz Wiktor Kopeć (born 24 August 1960 in Pierściec, Cieszyn Silesia) is a Polish politician.

He was elected to the Sejm on 25 September 2005, getting 6,206 votes in 27 Bielsko-Biała district as a candidate from the Civic Platform list.

In 2011 he won his race for senator in the number 79 Senate constituency, with 48,948 votes.

[1] On 22 May 2015 he resigned from membership in the Civic Platform and associated himself with Poland Together.

[2] In the same year he won reelection to the Senate (this time starting from the list of Law and Justice) with 58,482 votes.