Otto Šimánek (April 28, 1925 Třešť - May 8, 1992 Prague) was a Czech mime, film and theater actor. He has starred in a number of comedies and several fairy tales. Probably his most famous role was the title role in the series Pan Tau.

He trained as an electrician at Tesla in Prague and has so far played the theater only amateuristically. He later got to the Theater on May 5 and also traveled for a few months at the Theater under the Placht of Jindřich Plachta. He gained acting experience in various theaters. He worked in theaters in Zlín, Ostrava and finally in 1958 he was engaged in the Municipal Theaters of Prague, where he lasted until 1990.