The 1984 science fiction classic was voted ahead of the likes of Star Wars and The Matrix by geeks.co.uk.
Geeks.co.uk editor Ally Millar, said: "It is clever, innovative, funny and wacky. Add a love interest, great special effects and an outstanding theme tune and you have all the ingredients to make it a firm favourite with geeky film fans."
"There was huge debate on our forums and we have some great iconic movies in our top ten but Ghostbusters had that little extra geeky charm to take top spot."
The top ten list was as follows:
2.Terminator II Judgement Day
4. The Matrix Trilogy
7. Logan's Run
8. Star Wars
9. Sin City