The supermodel-turned-actress will play the wife of put-upon government worker Jerry Gergich (Jim O'Heir) in a season five instalment, according to TV Guide.
Brinkley has landed several high profile acting jobs in recent years, including a long run in Chicago on Broadway and on the London stage.
Parks and Recreation's new season will also the return of Megan Mullally as Ron Swanson (Nick Offerman)'s ex-wife Tammy 2 in episode nine.
US Senators John McCain, Barbara Boxer and Olympia Snowe appeared in the season premiere, which saw Leslie Knope (Amy Poehler) travelling to Washington DC.
Parks and Recreation airs on Thursdays at 8.30/7.30c on NBC.