"Losing You" is a song written by Jean Renard and Carl Sigman and performed by Brenda Lee. The song reached #2 on the adult contemporary chart, #6 on the Billboard Hot 100, #10 in the UK, and #13 on the R&B chart in 1963. The song is featured on her 1963 album, ..."Let Me Sing".

Brenda Mae Tarpley, known professionally as Brenda Lee, is an American singer. Primarily performing rockabilly, pop, country and Christmas music, she achieved her first Billboard hit aged 12 in 1957 and was given the nickname "Little Miss Dynamite". Some of Lee's most successful songs include "Sweet Nothin's", "I'm Sorry", "I Want to Be Wanted", "Speak to Me Pretty", "All Alone Am I" and "Losing You". Her festive song "Rockin' Around the Christmas Tree", recorded in 1958, topped the U.S. Billboard Hot 100 in 2023, making Lee the oldest artist ever to top the chart and breaking several chart records.