Celebrity Big Brother 1

Celebrity Big Brother 1 may refer to:


 * Celebrity Big Brother 1 (UK), the 2001 UK series of Celebrity Big Brother
 * Celebrity Big Brother 1 (American season), the 2018 U.S. season of Celebrity Big Brother
 * Celebrity Big Brother Australia, the 2002 celebrity edition of Big Brother Australia
 * Celebrity Big Brother (Croatian TV series), the 2008 Croatian series of Celebrity Big Brother
 * Celebrity Big Brother (South African TV series), the 2002 South African series of Celebrity Big Brother
 * Big Brother Famosos 1, the 2002 series of Big Brother Famosos, the version of Celebrity Big Brother in Portugal
 * Big Brother VIP, the upcoming 2019 celebrity edition of Big Brother in Albania and Kosovo
 * Big Brother V.I.P., the 2003 celebrity edition of Big Brother in Denmark
 * Big Brother VIP, the 2003 celebrity edition of Big Brother in Hungary
 * Big Brother VIP 1, the 2002 celebrity edition of Big Brother in Mexico
 * Big Brother VIP, the 2008 celebrity edition of Big Brother in Poland
 * Big Brother VIPs, the 2001 celebrity edition of Big Brother in Belgium
 * Big Brother VIPs, the 2000 celebrity edition of Big Brother in the Netherlands
 * Big Brother Slavnih, the 2010 celebrity edition of Big Brother in Slovenia
 * Bigg Boss (India):
 * Bigg Boss (Hindi season 1), the 2006-2007 Hindi season of Bigg Boss, the Indian version of Big Brother
 * Bigg Boss Kannada 1, the 2013 Kannada season of Bigg Boss, the Indian version of Big Brother
 * Bigg Boss Bangla 1, the 2013 Bengali season of Bigg Boss, the Indian version of Big Brother
 * Bigg Boss Tamil 1, the 2017 Tamil season of Bigg Boss, the Indian version of Big Brother
 * Bigg Boss Telugu 1, the 2017 Telugu season of Bigg Boss, the Indian version of Big Brother
 * Bigg Boss Marathi 1, the 2018 Marathi season of Bigg Boss, the Indian version of Big Brother
 * Bigg Boss Malayalam 1, the 2018 Malayalam season of Bigg Boss, the Indian version of Big Brother
 * Gran Hermano Famosos, the 2007 celebrity edition of Gran Hermano, the version of Big Brother in Argentina
 * Gran Hermano VIP 1, the 2005 VIP edition of Gran Hermano, the version of Big Brother in Spain
 * Grande Fratello VIP 1, the 2017 VIP edition of Grande Fratello, the version of Big Brother in Italy
 * HaAh HaGadol VIP 1, the 2009 VIP edition of HaAh HaGadol, the Israeli version of Big Brother
 * Julkkis Big Brother, the 2013 celebrity edition of Big Brother in Finland
 * Pinoy Big Brother: Celebrity Edition, the 2006 celebrity season of Big Brother in the Philippines
 * Promi Big Brother 1, the 2013 celebrity season of Big Brother in Germany
 * Veliki brat VIP 1, the 2007 celebrity season of Veliki brat, the version of Big Brother in Serbia, Macedonia, and Bosnia and Herzegovina
 * VIP Brother 1, the 2006 edition of Big Brother VIP in Bulgaria