Lou Pardini (born June 5, 1952) is an American Grammy-nominated keyboardist, songwriter and vocalist who is now best known as a member of the rock band Chicago. He is known for his work with notable musicians such as Stevie Wonder, Santana, Elton John, Peabo Bryson, Earth, Wind, & Fire and The Doobie Brothers, and he has written hit songs for Patti Austin, Kenny G, The Temptations, and more.