A Dodgers fan was hospitalized and fighting for his life after he fell from the third floor of a building into a “hostile crowd” during the team’s World Series victory celebration in Los Angeles on Friday afternoon.

The unidentified man was engaging in “graffiti-related activity” and made his way up to the third floor of a parking garage at the intersection of 8th and Flower Street around 1:30 p.m. — four blocks from where the parade finished.

The man, who was tagging the side of the structure, fell and crashed onto the street below into a “hostile crowd,” the Los Angeles Police Department told The Post.

Rowdy fans had taken over the intersection, forcing the LAPD to use “multiple resources” to clear the area and allow the LAFD to reach the man.

Two bystanders had already been tending to the bloodied man before first responders arrived and began “life-saving measures,” according to KCAL.

The LAFD rushed the man to a local hospital in critical condition.

No arrests were reported from the crowd.

The Dodgers celebrated their eighth World Series championship Friday around the city after defeating the New York Yankees 4-1 in the series.

Los Angeles descended into chaos following the team’s 7-6 comeback win in the Bronx Wednesday.

Riot police were called in to disperse unruly crowds that had gathered in the streets, with fireworks being set off, belligerent fans setting fire to a bus while others clashed with cops and looters ran amok.

At least six people were arrested for commercial burglary, four for receiving stolen property, and two for failure to disperse, according to the Los Angeles Police Department.

Several businesses were robbed during the chaos, including a boarded-up Nike store that saw looters dashing out of the business with boxes of branded shoes.

One Dodgers jersey-clad fanatic got carried away and blew part of his hand off while lighting a firework.

The 25-year-old man wearing a Dodgers No. 22 jersey — which is pitcher Clayton Kershaw’s number but had the name “King” on the back — was seen carrying a lit firework into a downtown LA crosswalk.

The firework blew up in his hands before he could place it and walk away — covering him in smoke and spraying sparks and blood across the avenue.

On Friday, the victory parade got off to a slow start when the buses carrying the team and their families got stuck in traffic.

They eventually made it for the raucous and boozy celebration, which the Los Angeles Police Department estimates over 225,000 people attended.