Lupul may refer to:

• Lupul (surname)

Lupul may also refer to the following rivers in Romania:

• Lupul, a tributary of the Râul Mic in Alba County
• Lupul, another name for the upper course of the Dămuc in Harghita County
• Lupul, a tributary of the Călinești in Vâlcea County
• Lupul, a tributary of the Lotru in Vâlcea County
• Lupul (Tazlău), a tributary of the Tazlău in Bacău County
• Lupul, another name for the upper course of the Uria in Vâlcea County

• Lupulești