Mieczysław Hryniewicz (born August 31, 1949 in Wąsosz, Poland) is a Polish actor. He has made around 40 appearances in film and television. He starred in the 1986-1987 television series Zmiennicy. Since 2003, he started in polish TV series Na Wspólnej as Włodzimierz Zięba.
He provided a voice to Momo from Adventures of the Gummi Bears.