Bob a Bobek – králíci z klobouku (English: Bob and Bobek – the Rabbits from a Hat or Bob and Bobby – the Rabbits from a Hat) is a Czech cartoon series. It is one of the most popular series made for the children's television programme Večerníček.

Production began in 1978, and the series first appeared on Czechoslovak Television on 11 December 1979. It ran for 91 episodes and eight seasons between 1979 and 2005. Starting with the fourth season (2003), the show was renamed Bob a Bobek na cestách (English: Bob and Bobek on the road). A New Year's Eve special for adults, Bob a Bobek Grand šou, was also released in 1980.

The series was directed by Václav Bedřich, Miroslav Walter, and Ivo Hejcman. Art was done by Vladimír Jiránek, while writing was done by Jiránek, Jaroslav Pacovský, Jiří Šebánek and Pavel Šrut. Petr Skoumal composed the music and Josef Dvořák provided the voices.