Nasir Gebelli (Persian: ناصر جبلی, also Nasser Gebelli, born 1957) is an Iranian-American programmer and video game developer. Gebelli co-founded Sirius Software, created his own company Gebelli Software, and worked for Square (now Square Enix). He became known in the early 1980s for producing 3D shooters and other games for the Apple II computer, and later became known for his work at Square, where he produced the early Final Fantasy games alongside Hironobu Sakaguchi, as well as 3-D WorldRunner, Rad Racer, Secret of Mana, and other titles.
Born in Iran, Gebelli moved to the United States to study computer science. In 1980, Gebelli started Sirius Software with Jerry Jewell. While part of Sirius Software, Gebelli developed advanced graphics techniques for the Apple II. Gebelli's first project for the Apple II was EasyDraw, a logo and character creation program which he used for his later games. Among those were his best-selling personal computer games Space Eggs and Gorgon, which were clones of Moon Cresta and Defender respectively.Gorgon in particular sold 23,000 copies within a year, making it one of the best-selling computer games through 1982.