Online roulette is the traditional casino game of roulette, first played in 18th century France, played through the medium of the internet. Typically, online roulette is one of the games offered by online casinos, alongside other online table games such as craps, online card games such as baccarat, blackjack and poker and online slots.

With limitation of space not an issue in online casinos, many of them offer a variety of online roulette games. Examples include American, French, European or mini roulette. Software download options are common in online casinos, meaning players can participate in real time gambling, in direct contact with other players and dealers through their personal computers. Instant play options, bypassing the download, are also widely available, though this may have fewer functions.

Online roulette games can be played in public, private or VIP groups, depending on the online casino. Tournaments are run regularly, attracting high numbers of players from all over the world, which helps drive up the prize money.

Online roulette tables are operated by gambling software, with one of the best known names in the industry that of Microgaming Systems Ltd. Great care, often in conjunction with some form of external monitoring or regulation, is taken to ensure the true randomness of the numbers of the online roulette table results.

There are various Internet sites that provide reviews of the best online casinos to offer online roulette games. There are also specialist publications, such as Gambling Online Magazine, to help informed choice.