List of Billboard Hot 100 number - one Singles of 1975 - wikipedia List of Billboard Hot 100 number - one Singles of 1975 These are the Billboard magazine Hot 100 number one hits of 1975. Both 1974 and 1975 hold the Hot 100 record for the year with the most # 1 hits with 35 songs reaching the # 1 spot. Additionally, the period beginning January 11 and ending April 12 constitutes the longest run of a different # 1 song every week ( 14 weeks ) in Billboard history. Coincidentally, it both begins and ends with songs by Elton John. The longest running number one song of 1975 is `` Love Will Keep Us Together '' by Captain & Tennille. Key The yellow background indicates the # 1 song on Billboard 's 1975 Year - End Chart of Pop Singles. Issue Date Song Artist ( s ) Reference January 4 `` Lucy in the Sky with Diamonds '' Elton John January 11 January 18 `` Mandy '' Barry Manilow January 25 `` Please Mr. Postman '' The Carpenters February 1 `` Laughter in the Rain '' Neil Sedaka February 8 `` Fire '' Ohio Players February 15 `` You 're No Good '' Linda Ronstadt February 22 `` Pick Up the Pieces '' Average White Band March 1 `` Best of My Love '' Eagles March 8 `` Have You Never Been Mellow '' Olivia Newton - John March 15 `` Black Water '' The Doobie Brothers March 22 `` My Eyes Adored You '' Frankie Valli March 29 `` Lady Marmalade '' LaBelle April 5 `` Lovin ' You '' Minnie Riperton April 12 `` Philadelphia Freedom '' Elton John Band April 19 April 26 `` ( Hey Wo n't You Play ) Another Somebody Done Somebody Wrong Song '' B.J. Thomas May 3 `` He Do n't Love You ( Like I Love You ) '' Tony Orlando and Dawn May 10 May 17 May 24 `` Shining Star '' Earth, Wind & Fire May 31 `` Before the Next Teardrop Falls '' Freddy Fender June 7 `` Thank God I 'm a Country Boy '' John Denver June 14 `` Sister Golden Hair '' America June 21 `` Love Will Keep Us Together '' Captain & Tennille June 28 July 5 July 12 July 19 `` Listen to What the Man Said '' Wings July 26 `` The Hustle '' Van McCoy and the Soul City Symphony August 2 `` One of These Nights '' Eagles August 9 `` Jive Talkin ' '' Bee Gees August 16 August 23 `` Fallin ' in Love '' Hamilton, Joe Frank & Reynolds August 30 `` Get Down Tonight '' KC and the Sunshine Band September 6 `` Rhinestone Cowboy '' Glen Campbell September 13 September 20 `` Fame '' David Bowie September 27 `` I 'm Sorry '' John Denver October 4 `` Fame '' David Bowie October 11 `` Bad Blood '' Neil Sedaka October 18 October 25 November 1 `` Island Girl '' Elton John November 8 November 15 November 22 `` That 's the Way ( I Like It ) '' KC and the Sunshine Band November 29 `` Fly, Robin, Fly '' Silver Convention December 6 December 13 December 20 `` That 's the Way ( I Like It ) '' KC and the Sunshine Band December 27 `` Let 's Do It Again '' The Staple Singers Sources Fred Bronson 's Billboard Book of Number 1 Hits, 5th Edition ( ISBN 0 - 8230 - 7677 - 6 ) Joel Whitburn 's Top Pop Singles 1955 - 2008, 12 Edition ( ISBN 0 - 89820 - 180 - 2 ) Joel Whitburn Presents the Billboard Hot 100 Charts : The Seventies ( ISBN 0 - 89820 - 076 - 8 ) Additional information obtained can be verified within Billboard 's online archive services and print editions of the magazine. See also 1975 in music List of Cash Box Top 100 number - one singles of 1975 Lists of Billboard number - one singles 1940 -- 1959 1940 1941 1942 1943 1944 1945 1946 1947 1948 1949 1950 1951 1952 1953 1954 1955 1956 1957 1958 1959 1960 -- 1979 1960 1961 1962 1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 1973 1976 1977 1978 1979 1980 -- 1999 1980 1981 1982 1984 1985 1986 2000 -- present 2017 2018 By decade 1930s 1940s 1950 -- 1958 1958 -- 1969 1970s 1980s 1990s 2000s 2010s See also Top - ten singles Hot 100 Year - end List of Billboard Hot 100 chart achievements and milestones Retrieved from `` https://en.wikipedia.org/w/index.php?title=List_of_Billboard_Hot_100_number-one_singles_of_1975&oldid=846953647 '' Categories : 1975 record charts Lists of Billboard Hot 100 number - one songs Talk About Wikipedia Deutsch Español Français Nederlands Polski Русский Slovenčina Svenska Türkçe Tiếng Việt 3 more Edit links This page was last edited on 21 June 2018, at 22 : 45 ( UTC ). About Wikipedia

Question: what was the number one song of 1975
Answer: "Love Will Keep Us Together" by Captain & Tennille