He was speaking ahead of next month's Sir Bobby's Breakthrough Online Auction when he told of the late football manager's great influence on his career.
Mourinho said: "Bobby Robson is one of those people who will always be remembered."
"Not just for what he did in his fantastic career, but for what he gave to those who had, like me, the good fortune to know him and walk by his side.
"I am so happy to again support Sir Bobby's Breakthrough Auction and I encourage everyone around the world to do the same. Together we will help make the biggest difference in the fight against cancer."
Visit www.sirbobbysbreakthrough.com for more information.