The pan-European media group, which acted as a pay-TV Olympic rights partner to host broadcaster the BBC, increased its average TV audience by 80% over the two-week Games period.
Eurosport also joined the BBC in pronouncing that the London 2012 Olympics were the "first truly digital Games", with massive demand for coverage on the internet and mobile devices.
From July 28 to August 12, a total of 106 million different TV viewers watched the London 2012 Olympic Games on a Eurosport channel.
The top three performing programmes were all athletics sessions, including Usain Bolt's gold medal successes in the 100 meter and 200 meter finals on August 5 and August 9 respectively, along with the August 8 session. These all drew in more than 13m different viewers each for Eurosport.
Eurosport's global average audience during the games was up 80% compared to the 2012 average.
Online, the Eurosport website attracted nearly 5.6m daily visitors during London 2012, - up 36% on 2012. The figure broke down as 4.4m visits on the web and 1.2m on mobile.
Copyright: PA ImagesAugust 3 brought the highest ever performance for Eurosport.com, after 6.5m fans visited the site. English and Spanish markets also broke their historical records during the games.
Eurosport said that 72% of its online audience during London 2012 accessed the dedicated expert content. The most followed sports on its website were athletics, swimming, and tennis.
The broadcaster will hope that the spike in interest in athletics and other Olympic events will boost its pay-TV subscriptions over the coming year.
Eurosport has the rights to cover sporting events from 21 of the 26 official summer Olympic federations, for a total of over 2,000 hours each year.
It also has the events of the seven wintersport Olympic federations for a yearly total of 1,600 hours. In 2013 fifteen World Championships will be on air across winter and summer Olympic disciplines on Eurosport.