Charles Barkley -- ONLY TWO MOVIES ... Made Me Cry!

Strong men also cry ... just ask Charles Barkley -- who tells TMZ Sports he let the tears FLOW during two emotional movies.

Sir Chuck was out in NYC yesterday when he explained the why two certain flicks got the waterworks going ... and one of his selections isn't exactly your traditional love story.

One more thing ... we asked the former Philadelphia 76er about the famous cheesesteak battle raging in the City of Brotherly Love ... Pat's or Geno's.

Barkley's answer -- well, it was a bit unexpected.

Check out the clip.