Arthur Herzog Jr. (December 13, 1900 – September 1, 1983) was a notable American songwriter and composer, born in New York City and passing away in Detroit, Michigan. He is best known for his collaboration with the legendary jazz singer Billie Holiday. Together, they co-wrote several iconic jazz standards, including "Don't Explain," "God Bless the Child," and "Some Other Spring." These songs have become timeless classics, frequently recorded and performed by many prominent jazz artists.

Herzog's work with Holiday began in the vibrant jazz scene of New York City, where his talent for crafting poignant and emotionally resonant lyrics made him a sought-after collaborator. "God Bless the Child," inspired by an argument Holiday had with her mother, is particularly celebrated for its powerful message of self-reliance and resilience. The song was first recorded in 1941 and has been honored with a Grammy Hall of Fame Award.

In addition to his work with Holiday, Herzog co-wrote "Some Other Spring" with Irene Kitchings, which was also popularized by Holiday. Despite having a relatively small catalog of songs, Herzog's contributions to jazz have left a lasting impact on the genre. His legacy continues through the recordings of his songs by a wide array of jazz greats, ensuring his place in the annals of American music history. Arthur Herzog Jr. was also the father of novelist Arthur Herzog III and grandfather to playwright Amy Herzog.