Birkir Eythorsson ha giocato con 25 compagni di squadra durante la sua carriera.

Player Team(s) Games
U16 Iceland (Euro U16 B)
U18 Iceland (Euro U18 B)
14
U18 Iceland (Euro U18 B)
6
U18 Iceland (Euro U18 B)
7
U18 Iceland (Euro U18 B)
U16 Iceland (Euro U16 B)
20
U18 Iceland (Euro U18 B)
6
U16 Iceland (Euro U16 B)
U18 Iceland (Euro U18 B)
14
U18 Iceland (Euro U18 B)
8
U18 Iceland (Euro U18 B)
8
U18 Iceland (Euro U18 B)
6
U18 Iceland (Euro U18 B)
U16 Iceland (Euro U16 B)
19
U18 Iceland (Euro U18 B)
5
U18 Iceland (Euro U18 B)
6
U16 Iceland (Euro U16 B)
7
U16 Iceland (Euro U16 B)
7
U18 Iceland (Euro U18 B)
6
U18 Iceland (Euro U18 B)
4
U16 Iceland (Euro U16 B)
U18 Iceland (Euro U18 B)
13
U18 Iceland (Euro U18 B)
3
U16 Iceland (Euro U16 B)
7
U16 Iceland (Euro U16 B)
5
U18 Iceland (Euro U18 B)
U16 Iceland (Euro U16 B)
15
U16 Iceland (Euro U16 B)
U18 Iceland (Euro U18 B)
14
U18 Iceland (Euro U18 B)
6
U18 Iceland (Euro U18 B)
1
U18 Iceland (Euro U18 B)
6