List of Famous people who are 43

Alexander James Jeffery Horne is a British comedian. Horne is the creator of BAFTA award-winning Taskmaster, a comedy panel show in which he is the assistant to "Taskmaster" Greg Davies, who judges comedians on various absurd tasks they are asked to perform. He is also the host and bandleader of The Horne Section, a comedic band with whom he runs their eponymous podcast, as well as their music variety show which has been broadcast on BBC Radio 4 and Dave.

Monica Mayhem is an Australian former pornographic actress, exotic dancer and singer.

Russell Downing is an English former professional cyclist, who rode competitively between 1999 and 2019 for numerous teams, such as Team Sky and JLT–Condor. He is the younger brother of fellow cyclist Dean Downing, and both brothers competed largely on the UCI Continental Tour and in British Premier Calendar races.

Constantino Zaballa Gutiérrez is a Spanish former professional road racing cyclist, best known for winning Clásica de San Sebastián in 2005. Towards the end of his career, Zaballa ventured into cyclocross with the Club Ciclistica Udías.