Sulu Island is part of the Sulu Archipelago located between northeast Borneo (i.e., Sabah) and southwest of Mindanao Island. As such, Sulu Island can be an interesting location to study the biodiversity between the two aforementioned biodiverse and endemic-rich regions. For orthopterans, little is known about the species from Sulu Island. Based on recent sampling of the crickets and katydids on the island in 2025, we present here 21 species of crickets (from families Gryllidae, Mogoplistidae, Oe