Ejvind Blach
Ejvind Mollerup Blach was a Danish field hockey player who competed in the 1920 Summer Olympics. He was a member of the Danish field hockey team, which won the silver medal.
At club level he played for Københavns Hockeyklub.
He came from a family of hockey players. His brother Svend Blach was on the same 1920 Olympics team. His brother Arne Blach was also a hockey player and competed in the 1928 Olympics. His Nephew Preben Blach competed at the 1948 Olympics.