The Delfonics are an American R&B/Soul vocal group from Philadelphia, Pennsylvania. The Delfonics were most popular in the late–1960s and early–1970s. Their most notable hits include "La-La (Means I Love You)", "Didn't I (Blow Your Mind This Time)", "Break Your Promise", "I'm Sorry", and "Ready or Not Here I Come (Can't Hide from Love)". Their hit songs were primarily written/composed and produced by lead vocalist and founding member William 'Poogie' Hart and the musical instrumentation was arranged/conducted by songwriter and producer Thom Bell.

Their songs have been used in film soundtracks, including Quentin Tarantino's 1997 movie Jackie Brown, in which "La-La (Means I Love You)" and "Didn't I (Blow Your Mind This Time)" underscore the pivotal relationship between the characters played by Pam Grier and Robert Forster. Their songs "Ready or Not Here I Come (Can't Hide from Love)" and "Funny Feeling" were used in the video game Grand Theft Auto V on the fictional radio station The Lowdown 91.1. Their songs have been sampled by various hip-hop and rap artists including: The Wu-Tang Clan, Fugees, Deltron 3030, The Notorious B.I.G., Nas, Boyz II Men, Missy Elliott and DJ Jazzy Jeff & the Fresh Prince. In addition, their songs have been covered by numerous other performers, including Aretha Franklin, Dionne Warwick, The Jackson 5, Patti LaBelle, New Kids on the Block, Fugees, Todd Rundgren, Prince, Swing Out Sister and The Manhattan Transfer.