Whitening, Whitener or Whiten may refer to: Processes or techniques Cloud whitening, a proposed solar radiation management climate engineering technique Key whitening, increasing the security of a cryptographic cipher Racial whitening, an ideology in Brazil 1889–1914 Blanqueamiento, the practice of marrying whiter people in order to have whiter offspring Signal whitening, decorrelation in signal processing Skin whitening, using chemical substances to lighten the skin Software whitening, an approach to coping with bias in random number generation Tooth whitening, in dentistry Whitening (leather processing), a leather production process Whitening transformation, in mathematics People Andrew Whiten (born 1948), a British zoologist and psychologist Colette Whiten (born 1945), Canadian sculptor and artist Mark Whiten (born 1966), American baseball player Tim Whiten (born 1941), an American-born Canadian artist Basil Lee Whitener (1915–1989), an American politician Catherine Evans Whitener (1880–1964), a textile artisan in Georgia, US Gordon Whitener, founder, chairman, and CEO of The Whitener Company, a Tennessee-based consulting and investment firm Helen Whitener (born 1964/1965), a Trinidadian-American attorney and jurist Paul Whitener (1911–1959), an American landscape painter and museum director Todd Whitener (born 1978), an American musician Other uses Corrective fluid, a white fluid applied to paper to mask errors in text Non-dairy creamer, commonly called tea whitener or coffee whitener Optical brightener, an additive used to enhance the appearance of colour of fabric and paper Stress-whitening, where a white line appears when a material is stressed by bending or punching See also Albicans (disambiguation) Whitten (disambiguation) Whiten v Pilot Insurance Co, 2002 Supreme Court of Canada case