Janek Õiglane (born 25 April 1994) is an Estonian athlete competing in the decathlon.
He twice represented Estonia at the World Championships in Athletics, finishing 19th in 2015 and fourth in 2017.
He also won a bronze medal at the 2015 European U23 Championships.His main personal bests are 8371 points in the decathlon (London 2017) and 5739 points in the indoor heptathlon (Tallinn 2016).