Celebrity Big Brother 3

Celebrity Big Brother 3 may refer to:


 * Celebrity Big Brother 3 (UK), the 2005 UK series of Celebrity Big Brother
 * Celebrity Big Brother 3 (U.S.), the 2022 U.S. season of Celebrity Big Brother
 * Big Brother VIP 3 (Portugal), the 2013 rebooted third season of the Portuguese version of Celebrity Big Brother
 * Big Brother VIP 3, the 2003 season of Big Brother VIP in Hungary
 * Big Brother VIP 3, the 2004 season of Big Brother VIP in Mexico
 * Bigg Boss (India):
 * Bigg Boss (Hindi season 3), the 2009 Hindi season of Bigg Boss, the Indian version of Big Brother
 * Bigg Boss Kannada 3, the 2015–2016 Kannada season of Bigg Boss, the Indian version of Big Brother
 * Gran Hermano VIP 3, the 2015 VIP season of Gran Hermano, the version of Big Brother in Spain
 * Grande Fratello VIP 3, the 2018 VIP season of Grande Fratello, the version of Big Brother in Italy
 * HaAh HaGadol VIP 3, the 2019 VIP edition of HaAh HaGadol, the Israeli version of Big Brother
 * Promi Big Brother 3, the 2015 season of Promi Big Brother, the celebrity version of Big Brother in Germany
 * Veliki brat VIP 3, the 2009 celebrity season of Veliki brat, the version of Big Brother in Serbia, Bosnia and Herzegovina, Montenegro
 * VIP Brother 3, the 2009 season of VIP Brother in Bulgaria