Edson Arentes Do Nascimento Pelé "O Rei do futbol" (the king of football) "Perora negra" (the black pearl) : the king Pelé Pelé Pelé Pelé ! ! ! (just if the nicknames count)
Sócrates Brasileiro Sampaio de Souza Vieira de Oliveira (48 letters)
Houshmanzadeh only has 13 letters in the name
Roethlisberger has 14 letters giving Ben the longest surname
I know of a player called Reza Ghoochannejhad. Maybe that'd help
I think wright Phillips because he has 14 alphabets on his surname.
Randriamananantoandro at a guess.
Brazilian have long names like Edison Arentes di Nascimento.
The name of one of the Italian footballers is Francesco Totti.
A number of footballers have that distinction. Andrei Kanchelskis is the first name to my mind.
Juninho is the Brazilian word for Junior making it a very common and popular name. Several Brazilian footballers are named Juninho including Juninho Pernambucano, Juninho Paulista, Juninho Fonseca, Juninho Petrolina, and Juninho Botelho.