Janek Õiglane (born 25 April 1994 in Rakvere) is an Estonian athlete competing in the decathlon. He has represented Estonia three times at the World Athletics Championships, finishing 19th at the 2015 World Championships in Beijing, achieving 4th place at the 2017 World Championships in London and earning 6th at the 2019 World Championships in Doha. He also won a bronze medal at the 2015 European U23 Championships.