Are sweepstakes illegal? Generally, sweepstakes are legal in many jurisdictions as long as they comply with specific regulations, such as not requiring a purchase to enter and clearly disclosing the rules. However, the legality can vary by state or country, and some may impose restrictions or require registration. Therefore, it's essential for organizers to understand the laws governing sweepstakes in their area. In summary, while are sweepstakes illegal in some contexts, they can be a legitimate promotional tool when conducted properly.