Thomas Robert Daley is a British diver and television personality. Specialising in multiple events, he is an Olympic gold medallist in the men's synchronised 10-metre platform event at the 2020 Olympics and double world champion in the FINA 10-metre platform event, winning in 2009 at the age of fifteen, and again in 2017. He is an Olympic bronze medallist in the 2012 platform event, the 2016 synchronised event, and the 2020 platform event, making him the first British diver to win four Olympic medals. Daley also competes in team events, winning the inaugural mixed team World title in 2015, and repeating the win in 2024, his fourth World title in all. He is a one-time Olympic champion, 4-time World Champion, a 2-time junior World Champion, a 5-time European champion and 4-time Commonwealth champion.

The United Kingdom has been represented at every modern Olympic Games, and as of the 2020 Summer Olympics is third in the all-time Summer Olympic medal table by both number of gold medals won and overall number of medals. London has hosted the Summer Olympic Games three times: in 1908, 1948, and 2012.