Philip Robertson, 23, Aaron Hamilton, 25, and Robert Price, 46, face reckless endangerment and obstruction charges.
Robertson is also charged with criminal possession of a weapon.
Police say the stabbing on West 45th Street was an apparent turf war between people selling CDs.
It happened around 1 p.m. on Thursday.
The victim was stabbed in both legs and is in stable condition at the hospital. His name has not yet been released.
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