Haico Scharn
Helprich Haico Stephanus Adrianus Scharn is a retired Dutch middle-distance runner. He competed at Helsinki's 1971 European Athletics Championships in the 1500 m, in which he reached the eighth place in the final. He competed at the 1972 Summer Olympics, again in the 1500 m, but failed to reach the final. He finished in fourth place in this event at the 1974 European Athletics Championships in Rome.
After retiring from running he worked as athletics coach, training such competitors as Els Vader, Letitia Vriesde, Stella Jongmans, Yvonne van der Kolk and Leon Haan.