Hjalmar Mellander

Olympic medal record
Competitor for  Sweden
Men's athletics
Gold 1906 Athens Pentathlon

Hjalmar Mellander (14 December 1880 – 3 October 1919) was a Swedish athlete who competed mainly in the pentathlon.

He competed for Sweden at the 1906 Summer Olympics held in Athens, Greece, where he won the gold medal in the men's pentathlon competition.