Dudley Conservation Park is a protected area in South Australia on the Dudley Peninsula on Kangaroo Island. It was dedicated in 1970 to conserve Kangaroo Island narrow-leaved mallee.
The conservation park has an area of . It lies on the Dudley Peninsula on the eastern end of the island, about m south-east of American River and south-west of Penneshaw. The conservation park's vegetation is mostly an open scrub of Eucalyptus diversifolia and E. rugosa, with E. cneorifolia (the Kangaroo Island narrow-leaved mallee for which the park was dedicated) only occurring as an infrequent sub-dominant. There are limestone ridges and sandhill country in the south-eastern corner. The conservation park is classified as an IUCN Category Ia protected area.