Worldwide, Riškus (Riškus , Ришкус ) is an extremely rare unknown gender first name. Much more frequently, Riškus is the last name as well as the forename.
Riskus
Lukas, Donatas, Deividas, Edmundas, Vilandas, Šarūnas, Augustinas, and Gabrielius
, Ришкус 
) is an extremely rare unknown gender first name. Much more frequently, Riškus is the last name as well as the forename.