- "I've learned through hard experience not to believe anything a Luthor says."
- —Clark Kent[src]
Luthor may refer to several things:
- Episodes
- "Luthors", the twelfth episode of the second season of Supergirl, and the thirty-second episode overall.
- Characters
- The Luthor family of Earth-38/Earth-Prime
- Luthor, a resident of the Inverse World.
- John Henry Irons, a soldier from Earth-TUD22 that was mistakenly referred to by his A.I. device as "Captain Luthor".
- This name or identity can also refer to Lex Luthor himself, who ran his company Luthor Corp.
- The Luthor family of Earth-TUD25
- Locations
- Luthor Mansion, the former residence of the Luthor family on Earth-38.
- Lex Luthor's mansion, the former residence of Lex Luthor himself.
- Luthor Mansion, the residence of the Luthor family on Earth-Prime.
- L-Corp, a company on Earth-38 formerly known as Luthor Corp.
- Luthor Corp Naval Solutions facility, an abandoned facility.
- L-Corp, a company formerly named Luthor Corp on Earth-38.
- Luthor Corp, a company on Earth-Prime.
- Luthor Corp, a company on Earth-TUD22.
- Luthor Corp, a company on Earth-TUD25.




