Discover Lancaster is a private nonprofit organization that serves as the official Destination Marketing Organization for Lancaster County, Pennsylvania. Its main mission is to promote tourism in the area, contributing approximately $3.26 to $3.5 billion to the local economy each year. The organization focuses on marketing efforts to attract visitors and support the tourism sector.

The organization operates a Visitors Center that is open six days a week, offering services such as a short film about Lancaster County, a retail store featuring local products, a gallery showcasing local artists, and personalized travel advice from knowledgeable consultants. Discover Lancaster collaborates with over 500 local businesses, including shops, restaurants, and attractions, to enhance visitor experiences and promote the region's offerings. Its services include destination marketing, trip planning assistance, and the publication of the Discover Lancaster Visitor Guide.