Martijn Wydaeghe (Dutch pronunciation: [mɑrˈtɛiɱ ˈʋidaːxə]; born 1 September 1992) is a Belgian rallying co-driver.

He is partnered with Thierry Neuville for Hyundai Motorsport in the World Rally Championship category.

Wydaeghe made his WRC debut at the 2013 Rallye de France-Alsace.

[1] He currently co-drives with 2024 champion Thierry Neuville, after having worked with compatriot Nicolas Gilsoul until 2020.

[2] * Season still in progress.