Britania Raya mengadakan sebuah pra-seleksi nasional untuk memilih lagu yang akan dimajukan ke Kontes Lagu Eurovision 1966, dengan BBC memilih Kenneth McKellar untuk mementaskan semua lagu yang diajukan yang dinyatakan layak. Setelah mementaskan lima lagu hasil penyaringan sepekan pada acara BBC1 Kenneth McKellar's A Song For Everyone, final diadakan pada 27 Januari 1966 dan dipandu oleh David Jacobs.

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l b s Britania Raya dalam Kontes Lagu Eurovision
Partisipasi 1956 1957 1958 1959 1960 1961 1962 1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022
Artis 1950-an 1956 Patricia Bredin 1958 Pearl Carr & Teddy Johnson 1960-an Bryan Johnson The Allisons Ronnie Carroll Ronnie Carroll Matt Monro Kathy Kirby Kenneth McKellar Sandie Shaw Cliff Richard Lulu 1970-an Mary Hopkin Clodagh Rodgers The New Seekers Cliff Richard Olivia Newton-John The Shadows Brotherhood of Man Lynsey de Paul & Mike Moran Co-Co Black Lace 1980-an Prima Donna Bucks Fizz Bardo Sweet Dreams Belle and the Devotions Vikki Watson Ryder Rikki Scott Fitzgerald Live Report 1990-an Emma Samantha Janus Michael Ball Sonia Frances Ruffelle Love City Groove Gina G Katrina and the Waves Imaani Precious 2000-an Nicki French Lindsay Jessica Garlick Jemini James Fox Javine Hylton Daz Sampson Scooch Andy Abraham Jade Ewen 2010-an Josh Dubovie Blue Engelbert Humperdinck Bonnie Tyler Molly Electro Velvet Joe and Jake Lucie Jones SuRie Michael Rice 2020-an James Newman James Newman Sam Ryder
Lagu 1950-an 1956 "All" 1958 "Sing, Little Birdie" 1960-an "Looking High, High, High" "Are You Sure?" "Ring-A-Ding Girl" "Say Wonderful Things" "I Love the Little Things" "I Belong" "A Man Without Love" "Puppet on a String" "Congratulations" "Boom Bang-a-Bang" 1970-an "Knock, Knock Who's There?" "Jack in the Box" "Beg, Steal or Borrow" "Power to All Our Friends" "Long Live Love" "Let Me Be the One" "Save Your Kisses for Me" "Rock Bottom" "The Bad Old Days" "Mary Ann" 1980-an "Love Enough for Two" "Making Your Mind Up" "One Step Further" "I'm Never Giving Up" "Love Games" "Love Is" "Runner in the Night" "Only the Light" "Go" "Why Do I Always Get it Wrong?" 1990-an "Give a Little Love Back to the World" "A Message to Your Heart" "One Step Out of Time" "Better the Devil You Know" "Lonely Symphony (We Will Be Free)" "Love City Groove" "Ooh Aah... Just a Little Bit" "Love Shine a Light" "Where Are You?" "Say It Again" 2000-an "Don't Play That Song Again" "No Dream Impossible" "Come Back" "Cry Baby" "Hold On to Our Love" "Touch My Fire" "Teenage Life" "Flying the Flag (for You)" "Even If" "It's My Time" 2010-an "That Sounds Good To Me" "I Can" "Love Will Set You Free" "Believe in Me" "Children of the Universe" "Still in Love with You" "You're Not Alone" "Never Give Up on You" "Storm" "Bigger than Us" 2020-an "My Last Breath" "Embers" "Space Man"
Catatan: Entri yang dicoret adalah saat Britania Raya tak ikut serta