"One of These Nights" is a song written by Don Henley and Glenn Frey and recorded by the American rock band Eagles. The title track from their One of These Nightsalbum, the song became their second single to top the Billboard Hot 100 chart and also helped propel the album to number one. The single version was shortened from the album version of the song, removing most of the song's intro and most of its fade-out, as well. Don Henley is lead vocalist on the verses, while Randy Meisner is lead vocalist on the refrain. It also features a guitar solo from Don Felder

According to songwriter Glenn Frey, the song is about putting things off. "We've all said, 'one of these nights I'm gonna do something -- get that girl, make that money, find that house. We all have our dreams - a vision we hope will come true someday. When that 'someday' will come is up to each of us."

The B-side, "Visions", features lead vocals by guitarist Don Felder, the only such Eagles song.