Mikołaj Cieślak (born 6 December 1973) is a Polish stage, television and film actor, and a cabaret artist.

In 1993, while studying at the technological department of the University of Warsaw, he and students had formed the cabaret group, that would later evolve into the Kabaret Moralnego Niepokoju.

[1] Their first cabaret programme, titled Królewna, Rycerz i Smok, had premiered in 1994 at the Polish studies department of the University of Warsaw.

[2] In 1996, the cabaret group was awarded the Grand Prix at the PaKA festival in Kraków.

[3] He had also performed in the Capitol Theatre, Warsaw, in comedies Szwedzki stół by Marek Modzelewski in 2012,[4] and Zdrówko by Robert Górski in 2014.