| Title, Format | Label | Cat# | Country | Year | |
|---|---|---|---|---|---|
| What Is Love (CD, Maxi) | Coconut | 74321 12486 2 | Germany | 1992 | |
| What Is Love (Remixes) (12") | Coconut | 74321 14796 1 | Germany | 1992 | |
| What Is Love (12") | Coconut | 74321 12486 1 | Germany | 1992 | |
| What Is Love (12") | Not On Label | 08 31463 20 | Germany | 1992 | |
| What Is Love (12") | Logic Records | 74321 14850 1 | UK | 1992 | |
| What Is Love (12") | Scorpio Music | 190 367.1 | France | 1992 | |
| What Is Love (12", Promo) | Logic Records | HADD 1 | UK | 1992 | |
| What Is Love (CD, Maxi) | Coconut | 74321 140992 | Germany | 1992 | |
| What Is Love (CD, Maxi) | Logic Records (UK) | 74321 14850 2 | UK | 1992 | |
| What Is Love (CD, Maxi) | Scorpio Music | 190 367-2 | France | 1992 | |
| What Is Love (CD, Single) | Scorpio Music | 190 366-2 | France | 1992 | |
| What Is Love (Cass, Maxi) | Coconut, Arista | 07822, 12574-4 | US | 1992 | |
| What Is Love (Cass, Single) | Logic Records | 74321 14850 4 | Europe | 1992 | |
| What Is Love? (7") | Coconut | 74321 14850 7 | Germany | 1992 | |
| What Is Love? (7") | Logic Records | 74321 14850 7 | UK | 1992 | |
| What Is Love (All Remixes) (12") | Scorpio Music | 190 409-1 | France | 1993 | |
| What Is Love (All Remixes) (CD, Single, Car) | Scorpio Music | 190 408.2 | France | 1993 | |
| What Is Love (Remix) (12") | Coconut | 74321 13966 1 | Germany | 1993 | |
| What Is Love (Remix) (12") | Coconut | 74321 13966 1 | Netherlands | 1993 | |
| What Is Love (Remix) (CD, Maxi) | Coconut | 74321 13966 2 | Germany | 1993 | |
| What Is Love (Remixes) (CD, Maxi) | Coconut | 74321 14796 2 | Germany | 1993 | |
| What Is Love Remix (CD, Single, Mini) | BMG Victor Inc. | BVDP-96 | Japan | 1993 | |
| What Is Love (12") | Arista | 07822-12574-1 | US | 1993 | |
| What Is Love (7") | Coconut | 74321 12486 7 | Germany | 1993 | |
| What Is Love (CD, Maxi) | Arista | 07822-12576-2 | US | 1993 | |
| What Is Love (12") | Not On Label | B 924844-1 | 1999 |