may mean:
- Asp (reptile) , an archaic term for a number of species of poisonous snake
- European Asp (''Vipera aspis''), a member of the viper family of snakes
- Asp (fish) (''Aspius aspius''), a fish belonging to the family Cyprinidae. It can be found in Europe
- Asp (rocket) , an American sounding rocket
- Aspe , a town in the province of Alicante, Spain. Its Catalan name is Asp
- Aspen , a kind of tree sometimes called an Asp
- Aspartic Acid , an amino acid, which is abbreviated as "Asp"
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