Jean-Ralphio Saperstein is a fictional character played by Ben Schwartz in the American comedy television series Parks and Recreation.

At one point, after drinking Snakejuice and having a fight with Ann Perkins (Rashida Jones), a drunken Leslie Knope (Amy Poehler) demands to Jean-Ralphio, "Dance up on me.” which request he immediately and excitedly fulfills.

After their first successful job organizing a memorial event for celebrity miniature horse Li'l Sebastian, Tom decides to quit his city hall job to work with Jean-Ralphio and the company, which opens a warehouse-sized modern office with strange decor, completely stark-white walls, and overpaid staff.

In the episode "Bailout,” Jean-Ralphio's sister Mona-Lisa Saperstein (Jenny Slate) begins working for, then enters into a sexual relationship with, Tom.

In season 6, Jean-Ralphio and Mona-Lisa's father, Dr. Saperstein (Henry Winkler) – an obstetrician who is often lied to by his children – makes an appearance.

In the series finale "One Last Ride,” Jean-Ralphio fakes his and Mona-Lisa's deaths, and tries to get insurance money to build a casino in Tajikistan.