Johannes (John/Johnny) Mieremet (10 May 1960 – 2 November 2005) was a Dutch underworld figure associated with the Willem Endstra extortion and assassination. Born in Amsterdam, Mieremet was murdered at the age of 45, while conducting business in Pattaya, Thailand at around 10:00 a.m. local time. He had survived several earlier assassination attempts; one in 2002, and another on 26 February 2005, when he was shot in the leg and stomach by two perpetrators on a motorcycle.