Minnesota Vikings Player -- TASED & PEPPER SPRAYED ... At Minneapolis 'Ultralounge'

Minnesota Vikings defensive tackle Tom Johnson was TASED by cops at a Minneapolis nightclub ... BECAUSE PEPPER SPRAY DIDN'T STOP HIM ... this according a police report obtained by TMZ Sports.

Johnson was arrested early Sunday morning at Seven Steakhouse Sushi Ultralounge Skybar -- where he was allegedly causing trouble around 3AM.

According to the police report, Johnson was told to leave the building -- but refused ... so cops decided to break out the pepper spray.

But Johnson -- 6'3", 288 lbs -- wasn't fazed ... so cops broke out the stun gun.

He was eventually taken into custody and booked for disorderly conduct and trespassing.

Johnson posted $78 bail -- and was released later that day. He's due back in court on Oct. 17.