Globally, Yakovlyev (Yakovlyev , Яковлиев ) is an extremely rare unknown gender first name. Much more frequently, Yakovlyev is the last name as well as the forename.
Яковлев, Яковльев, and Яковлёв
Yuriy, Sergiy, Serhiy, Andrey, Andriy, Ruslan, Dmytro, Viktor, Vitaliy, Oleksiy, Mykhaylo, Anatoliy, Volodymyr, and Kostyantyn
, Яковлиев 
) is an extremely rare unknown gender first name. Much more frequently, Yakovlyev is the last name as well as the forename.