Ruggiero di Lauria may refer to:
Roger of Lauria (ca. 1245-1305), or Ruggiero di Lauria, Italian admiral Italian ironclad Ruggiero di Lauria, an ironclad battleship completed in 1888 and stricken in 1909 Ruggiero di Lauria-class ironclad Italian offshore patrol vessel Ruggiero di Lauria (P435), now KRI Prabu Siliwangi, launched in 2023 and sold to Indonesia in 2024