Jack Astor's Bar and Grill is a chain[1] of 40 restaurants located in Ontario, Quebec, Newfoundland and Labrador, Nova Scotia, and formerly Alberta, New York and North Carolina.

All locations include a restaurant and bar area.

It is corporately owned by Service Inspired Restaurants,[2] which are based out of Burlington, Ontario.

The restaurant used to feature a neon sign with the restaurant name, flashing the "tor'" portion of the word "Astor's".

The first location opened in St. Catharines, Ontario, in 1990.