Mark's
| Mark's | |
| Formerly | Mark's Work Wearhouse | 
| Company type | Subsidiary | 
| Industry | Retail | 
| Founded | August 14, 1977 | 
| Founder | Mark Blumes | 
| Headquarters | , Canada | 
| Number of locations | 385 | 
| Area served | Canada | 
| Key people | PJ Czank | 
| Products | Clothing Footwear | 
| Parent | Canadian Tire (2002–present) | 
| Website | www | 
Mark's (known as La Ouérasse and L'Équipeur since 1990 in Quebec) is a Canadian clothing and footwear retailer specializing in casual and industrial wear. Beginning in 1977 as Mark's Work Wearhouse in Calgary, Alberta, it evolved from an industrial accessories dealer to a men and women's casual and industrial wear retailer. The company operates over 380 stores across Canada and has been a subsidiary of Canadian Tire since 2002.