A longtime Rangers fan and Madison Square Garden staple known as “Dancing Larry” is accused of inappropriate behavior during his recurring act in a new lawsuit against the team and MSG Sports.

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According to a workplace discrimination lawsuit filed on Monday and first reported by The Independent, a member of the “Blue Crew,” Miranda Tyson, alleges that Dancing Larry has engaged in “pervasive and severe” harassment, citing the fan favorite’s handsy tendencies.

The Blue Crew is a sort of hype squad that engages with fans at home games and events.

They accompany Dancing Larry — a New Jersey resident whose real name is Larry Goodman — in the stands during his third-period schtick.

Goodman, who is not named as a defendant in Tyson’s suit, is a longtime Rangers season ticket holder and not an MSG employee.

A source familiar with the Garden’s thinking says the allegations are unfounded and the organization supports Goodman, whom they honored on the jumbotron for his 30 years at the Garden following the Rangers’ 5-3 loss to the Sabres on Wednesday night.

Tyson, whose father is famed astrophysicist and author Neil deGrasse Tyson, claims Goodman has touched the Blue Crew’s heads, necks, arms, shoulders and backs, while “even trying to lace his fingers with theirs during high fives.”

The complaint also alleges that Tyson never witnessed but was told by others of “even more egregious conduct by Larry, including … spitting into people’s mouths.’’

“Every time we return from ‘Dancing Larry,’ more than one person assigned to it laments an unwanted interaction,” Tyson wrote in an email to their supervisor, according to the complaint, which was filed in New York County Supreme Court.

As part of the email, Tyson said they were not asking to be personally taken off the Dancing Larry segments and have someone else subjected to his conduct. They expressed feeling like “MSG has a responsibility to step in and address this textbook sexual harassment from one of its most recognizable personalities.”

The complaint details how a conversation between MSG’s HR department and Goodman went nowhere, and he “once again subjected Ms. Tyson to unwanted physical contact, placing his ‘full palm on the small of [their] back’ as they exited the performance area.”

After Tyson followed up with another report, the complaint alleges, their position on the Blue Crew was eliminated. HR told Tyson they had been let go due to a “business decision.”

Tyson had been a member of the Blue Crew since September 2021 and had received positive feedback, including an additional assignment for Knicks events during the team’s 2025 playoff run, according to the complaint.

“We don’t comment on employee or legal matters,” an MSG spokesperson told The Post.

Goodman has done his dancing bit at Madison Square Garden since 1996. He is known for pulling out some outrageous moves to “Strike it Up” by Black Box on the jumbotron during a stoppage in play in third periods.

Rangers fans have hired him to come to their weddings, birthday parties and b’nai mitzvahs over the years.