Melissa

Melissa may refer to the following:


 * Melissa - The AI sent to the year 2004.
 * Melissa McKay - First Lieutenant from the book Halo: The Flood.
 * Melissa's farewell letter - The farewell letter the AI Melissa wrote that explained how the Sleeping Princess was absorbed into her.
 * Melissa's goodbye note - The goodbye note Melissa left before jumping back to the future.