The three-year partnership will see top players (l-r above) Mark Williams, Stephen Hendry, Ken Doherty and Ronnie O'Sullivan,joined by other snooker personalities in Team Highland Spring.
The Highland Spring logo will appear on the players' waistcoats with the brand expected to be seen by more than 200 million viewers through TV coverage on BBC Sport, BBC Interactive, Sky Sports and Eurosport, the company said.
The company is also launching a three-year deal as the official water supplier to World Snooker - the professional game's governing body.
Chief executive Joe Beeston said: "Highland Spring has enjoyed a long-standing relationship with snooker since 1998. This deal is a fantastic coup for the brand as we continue to expand our association with world class sportspeople and showcase the brand to a global audience."