LotteryFeed.com [ http://www.lotteryfeed.com/ ]
Provides lottery data in a variety of data feed formats to suit our customers. Offers pre-packaged HTML formats, XML formats and TEXT formats.

Planet Lotto [ http://www.planetlotto.co.uk ]
UK and euromillions lottery results

World Lottery Association [ http://www.world-lotteries.org/ ]
A member-based organization to advance the interests of State-authorized lotteries.