James Layne "Jimmy" Webb (born August 15, 1946) is an American songwriter, composer, and singer. He has written numerous platinum-selling classics, including "Up, Up and Away", "By the Time I Get to Phoenix", "Wichita Lineman", "Galveston", "The Worst That Could Happen", "All I Know", and "MacArthur Park". His songs have been performed by many popular contemporary artists, including The 5th Dimension, Glen Campbell, The Supremes, Richard Harris, Johnny Maestro, Frank Sinatra, Thelma Houston, The Temptations, Barbra Streisand, Art Garfunkel, Joe Cocker, Judy Collins, Donna Summer, Linda Ronstadt, America, Amy Grant, John Denver, Michael Feinstein, Rosemary Clooney, R.E.M., and Carly Simon.
According to BMI, his song "By the Time I Get to Phoenix" was the third most performed song in the fifty years between 1940 and 1990. Webb is the only artist ever to have received Grammy Awards for music, lyrics, and orchestration.