Nagananda (Joy of the Serpents) is a Sanskrit play attributed to king Harsha (ruled 606 C.E. - 648 C.E.).

Nagananda is one of the best Sanskrit dramas in five acts dealing with the popular story of Jimutavahana's self-sacrifice to save the Nagas. The unique characteristic of this drama is the invocation to lord Buddha in the Nandi verse, which is considered as one of the best examples of the dramatic compositions.

Nagananda is the story of how prince Jimutavahana gives up his own body to stop a sacrifice of serpents to the divine Garuda.

The first act of the play opens in the penance-grove near the temple of Gauri. Jimutavahana with his friend Atreya, the Vidushaka is in search of a suitable place of residence on the Malaya mountain as his old parents have expressed a desire to stay there. He would spend his youth in serving the parents, as he considers such a service far above the enjoyment of the pleasures of kingdom. He had done everything in his power to make his subjects happy and had made the kingdom secure. Moving about, both of them are struck by the grandeur of the mountain and decide to stay there. Here, they happen to hear the ravishing tunes of melodious music. They enter the temple of Gauri but hide themselves to find out who was singing. Through her conversation with her maid they learn that she is a maiden and that Gauri revealed herself to her in a dream and conferred a boon that the Emperor of Vidhyadharas, Jimutavahana will marry her. The two friends reveal themselves only to make Malayavati embarrassed. Malayavati leaves the temple with a hermit without knowing Jimutavahana's true identity. The hero and heroine fall in love with each other, though they are yet strangers to each other.