Henri Aarnio (born 9 July 1993) is a Finnish badminton player. He started playing badminton at 9 years old, then at age 19, he won the Finnish International Junior Championships in boys' singles. In 2015, he was the runner-up at the Slovak Open in the men's singles event and in 2016, he became the runner-up of the Hellas Open in the mixed doubles event with Jenny Nyström. In 2017, he became the runner-up at the Estonian International tournament in the men's doubles event partnered with Iikka Heino.
Men's singles
Men's doubles
Mixed doubles