Deltoplastis is een geslacht van vlinders van de familie Lecithoceridae.
Soorten D. acrophanes (Meyrick, 1910) D. amicella (Walker, 1864) D. apostatis (Meyrick, 1932) D. balanitis (Meyrick, 1910) D. byssina (Meyrick, 1910) D. caduca (Meyrick, 1910) D. causidica Meyrick D. clerodotis (Meyrick, 1910) D. coercita (Meyrick, 1923) D. commatopa Meyrick, 1932 D. commodata Meyrick, 1923 D. cremnaspis (Meyrick, 1905) D. figurata (Meyrick, 1910) D. gypsopeda Meyrick, 1934 D. horistis (Meyrick, 1910) D. leptobrocha (Meyrick, 1923) D. lobigera Gozmany, 1978 D. ocreata (Meyrick, 1910) D. prionaspis Gozmany, 1978 D. propensa (Meyrick, 1910) D. scopulosa (Meyrick, 1910) D. similella (Snellen, 1903) D. sincera (Diakonoff, 1952) D. straminicornis (Meyrick, 1910) D. tetradelta (Meyrick, 1906)