The 23-year-old, who joins from Weston-Super-Mare, turned down interest from Swedish top-flight side Ostersunds to join the Spitfires.
Eastleigh boss Chris Todd said: "I am excited to have Scott join the squad.
"He is an incredibly hungry individual who is looking to succeed in the game and has a huge desire to progress with Eastleigh."
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National League side Eastleigh have signed striker Scott Wilson on a one-year contract.