In the entire world, Janečko (Janečko , Янечко ) is an extremely rare unknown gender forename. Much more frequently, Janečko is the last name as well as the forename.
Janecko, Janeček, and Janečka
Jan, Martin, Andrea, Klára, Šimon, Tomáš, Zdeněk, and Jaroslav
, Янечко 
) is an extremely rare unknown gender forename. Much more frequently, Janečko is the last name as well as the forename.