Agda

Agda may refer to:
 * Agda (programming language), the programming language and theorem prover
 * Agda (Golgafrinchan), the character in The Hitchhiker's Guide to the Galaxy by Douglas Adams
 * Liten Agda, the heroine of a Swedish legend
 * Agda Montelius, a Swedish feminist
 * Agda Persdotter, a Swedish royal mistress of the 16th-century
 * Agda Rössel, a Swedish politician
 * Agda Östlund, a Swedish politician
 * Dayan Agda, a Filipino politician