Rite: Roman (Latin)
Type: Titular Episcopal See 
Name: Leptis Magna (latine) / Leptis Magna (Italiano) / 萊普蒂斯.馬尼亞 (正體中文) / Leptimagnen(sis) (Latin)
Location: ruins of Lebda, pr. Tripolitania, Libya
- Established as Titular Episcopal See of Leptis Magna (latine) / Lepti (Italiano)
- 1925: Renamed as Titular Episcopal See of Leptis Maior (latine) / Lepti (Italiano)
- 1929: Renamed as Titular Episcopal See of Leptis magna (latine) / Lepti (Italiano)
- 1933: Renamed as Titular Episcopal See of Leptis Magna (latine) / Leptis Magna (Italiano) / 萊普蒂斯.馬尼亞 (正體中文) / Leptimagnen(sis) (Latin)