Dan Snyder Inappropriately Touched Woman At Work Dinner, Claims Ex-Employee

New name, same horrifying allegations for the Washington Commanders -- Dan Snyder was accused on Capitol Hill of inappropriately touching a female employee at a work dinner, but the owner is vehemently denying the allegation.

A group of former employees was in D.C. to speak with the House Committee on Oversight and Reform on Thursday ... and several women broke down in tears describing the harrowing experiences within the organization.

Melanie Coburn -- who worked as a cheerleader and in the marketing dept. -- claims Snyder hand-picked women to join the team based on their looks, and not talent.

Coburn also claims she was invited to Snyder's Aspen, Colorado home with other colleagues for an "awards trip" ... and after a night out, she was forced to go in the owner's basement and stay there. She claims another colleague later told her it was due to the men bringing back prostitutes.

Tiffani Johnston -- another former cheerleader, who had not previously spoken out -- claims Snyder touched her inner thigh under the table, as well as her lower back, during a team dinner ... and attempted to convince her into his limo at the end of the evening. Johnston said she tried to report the interaction to a supervisor, but was instructed to keep her mouth shut.

A former video production manager -- Brad Baker -- claims Snyder ordered employees in 2008 to put together an X-rated highlight reel of cheerleaders called the "good bits" ... which featured uncensored footage that had not been retouched to exclude accidental nudity.

During the meeting -- which was not under oath -- a Congresswoman pressed Baker on some offensive Tweets he'd allegedly posted, one of which included a crude comment about a female sports reporter "dressing like a whore." Baker responded ... whatever he'd tweeted had nothing to do with his experiences working with the team.

Ana Nunez -- the former coordinator of business development -- says her 8 years with the team was filled with fear of being sexually harassed.

As we previously reported, the NFL conducted an investigation into multiple claims of sexual misconduct within the organization ... which resulted in a $10 million fine. The league, however, did not make the findings public.

Snyder, in a statement to TMZ Sports, says the claims made on Thursday are simply not true.

"While past conduct at the Team was unacceptable, the allegations leveled against me personally in today's roundtable - many of which are well over 13 years old - are outright lies," Snyder said.

"I unequivocally deny having participated in any such conduct, at any time and with respect to any person."

"Tanya and I will not be distracted by those with a contrary agenda from continuing with the positive personnel and cultural changes that have been made at the Team over the past 18 months, and those that we continue to make both on and off the field."