1921 International Lawn Tennis Challenge
[de] International Lawn Tennis Challenge 1921
[es] Copa Davis 1921
[fr] Coupe Davis 1921
[he] גביע דייוויס 1921
[it] International Lawn Tennis Challenge 1921
[ja] デビスカップ1921
[nl] Davis Cup 1921
[pt] International Lawn Tennis Challenge de 1921
[sl] International Lawn Tennis Challenge 1921