Surrey chairman Richard Thompson: "Tom Maynard was a prodigiously talented young batsman who had made an incredible start to his career and was clearly destined for far greater things. There is a profound sense of loss at the passing of Tom. To lose anybody at such a young age is an utterly senseless tragedy."
Giles Clarke, chairman of the England and Wales Cricket Board: "Tom was a player of enormous potential who had already represented England Lions and had an exciting future ahead of him."
Hugh Morris, managing director of England cricket: "He had the world at his feet. I played with his old man when he played for England and Tom was very much on that pathway. He was an incredibly talented cricketer. He played for the Lions in the winter. He impressed all the coaches there. They liked him as a person and as a player and to have his life cut short in this way is an absolute tragedy."
England batsman Kevin Pietersen (on Twitter): "So unbelievably sad!! The Maynard family is so special!! Thoughts are with this special family!! Loads of love guys!!"
Former England captain Michael Vaughan (on Twitter): "Someone with so much talent and so much to look forward to. Why is life so cruel sometimes?"
Former England all-rounder Andrew Flintoff (on Twitter): "Tragic news that a great lad , Tom Maynard is no longer with us . All my thoughts are with his family at this awful time x x"
England all-rounder Stuart Broad (on Twitter): "Absolutely gutted this morning to hear the news about Tom Maynard. A lovely guy and great talent."
England wicket-keeper Matt Prior (on Twitter): "In shock at the news of Tom Maynard! Such a waste of a very talented and much loved player. Condolences to the Maynard family."
England bowler Steven Finn (on Twitter): "So sad to hear the news of Tom Maynard. Thought with family and friends. Very talented and a top guy."
England bowler Graham Onions (on Twitter): "Words can't describe how sad I am hearing the news about Tom Maynard,my thoughts are with his family and friends."
England all-rounder Tim Bresnan (on Twitter): "Was gutted to hear the news of Tom Maynard here at the oval this morning A talented player is lost so young Thoughts with his family."
Surrey team-mate and former England batsman Mark Ramprakash (on Twitter): "Life can be so cruel! Tom Maynard- a really nice guy who was a pleasure to play with & will be really missed. RIP Tom"
West Indies captain Darren Sammy (on Twitter): "Very sad to hear that Surrey cricketer Tom Maynard has died at age 23. The West Indies team's thoughts and prayers go out to his family"
Former Glamorgan team-mate Simon Jones: "Don't know what to say or do, bruiser you'll be sorely missed, you were a special person and talent! Love you bro."