Here are some of the most popular one-hit wonder songs of the 1970s:
"Spirit in the Sky" by Norman Greenbaum (1970)
"In the Summertime" by Mungo Jerry (1970)
"War" by Edwin Starr (1970)
"Come and Get Your Love" by Redbone (1974)
"Rock the Boat" by The Hues Corporation (1974)
"The Night Chicago Died" by Paper Lace (1974)
"Kung Fu Fighting" by Carl Douglas (1974)
"Lovin' You" by Minnie Riperton (1975)
"Play That Funky Music" by Wild Cherry (1976)
"Afternoon Delight" by Starland Vocal Band (1976)
"Fly, Robin, Fly" by Silver Convention (1975)
"You Light Up My Life" by Debby Boone (1977)
"Disco Inferno" by The Trammps (1977)
"Baby Come Back" by Player (1977)
"Magnet and Steel" by Walter Egan (1978)
Note that some of these artists may have released other singles, but these songs are considered their only true hit.