F805

F805 may refer to:


 * HNLMS Van Speijk (K3), a K-class sloop designed for the Royal Netherlands Navy in the late 1930s
 * HNLMS Van Nes (F805), a Van Speijk-class frigate built for the Royal Netherlands Navy in the 1960s
 * HNLMS Evertsen (F805), a De Zeven Provinciën-class frigate of the Royal Netherlands Navy, launched in 2003