Ilkka Herola (born 22 June 1995) is a Finnish nordic combined skier. He won a silver medal in the men's team Nordic combined and a bronze medal in the men's individual large hill Nordic combined at the 2026 Winter Olympics.
He competed at the FIS Nordic World Ski Championships 2013 in Val di Fiemme, and at the 2014 Winter Olympics in Sochi.
Together with Eero Hirvonen, he won the 2 x 7.5 km team sprint on 9 February 2019, in front of their home crowd in Lahti.
In 2025, Ilkka Herola ended the Finns' winless streak. Fifteen years had passed since the previous victory. The last Finn who win was Hannu Manninen's victory in the 2009-10 season in Salpausselkä.