Ilkka Antero Jouko Sinisalo (July 10, 1958 – April 5, 2017) was a Finnish professional ice hockey forward. He was born in Valkeakoski, Finland.
Sinisalo played eleven seasons in the National Hockey League (NHL) for the Philadelphia Flyers, Minnesota North Stars and Los Angeles Kings. Later he was a scout for the Flyers.
Sinisalo died in Helsinki, Finland from prostate cancer on April 5, 2017, aged 58.