Mathilde Thomine Storm (born Mathilde Thomine Hummervoll Storm on 11 May 2000 in Oslo) is a Norwegian actress.

She made her feature film debut in 2016, portraying Eva (at age 14) in the historical drama The Lion Woman (Løvekvinnen), and subsequently appeared in the thriller An Affair (En affære, 2018). On television, she gained widespread recognition for her role as Ine Larsen, a nursing student, in the hit drama series Rådebank (2020–2022). She continues her screen career with appearances in the drama film Let the River Flow (Ellos eatnu – Låt älven leva, 2023), the animated feature Spermageddon (2024), and the television series Rebound (2025). Alongside her live-action roles, she regularly performs voice-over and dubbing work for animated films and series in Norwegian.