Karl Donald Ifwersen (1893–1967) was a New Zealand rugby football player who represented his country in both rugby league and rugby union. Ifwersen attended both St John's College and Auckland Grammar. He joined the new College Rifles rugby union club and was instrumental in helping the team win back-to-back junior championships in their first two years in ARFU competition. In 1912 he represented Auckland in provincial matches. Ifwersen then switched codes to rugby league, joining the Grafton club in the Auckland Rugby League competition. He played for Auckland before representing his club and made the 1913 New Zealand squad. He also played for the North Shore club. With the outbreak of World War I, Ifwersen joined the military and...
