Second Wind
Second Wind may refer to:

Second wind, an exercise phenomenon
Second wind (sleep), a sleep phenomenon
Second Wind Fund, a youth suicide prevention program in Denver, Colorado, US
Second Wind Systems Inc., a maker of wind-energy instrumentation, a subsidiary of Vaisala

Film
Second Wind (1966 film) or Le deuxième souffle, a French film directed by Jean-Pierre Melville
Second Wind (1976 film), a Canadian film directed by Donald Shebib
Second Wind (1978 film) or Un second souffle, a French film directed by Gérard Blain
The Second Wind or Le deuxième souffle, a 2007 French remake of the 1966 film, directed by Alain Corneau

Music
Second Wind (band), a band formed by former Minor Threat bassist Steve Hansgen

Albums
2nd Wind or the title song, "Second Wind", by Todd Rundgren, 1991
Second Wind, by Delbert McClinton, 1978
Second Wind, by Herb Alpert, 1996
Second Wind, by Brian Auger's Oblivion Express, 1972
Second Wind, by BSS, 2023

Songs
"Second Wind" (song), by Darryl Worley, 2001
"You're Only Human (Second Wind)", by Billy Joel, 1985
"Second Wind", by Kelly Clarkson from Piece by Piece, 2015
"Second Wind", by Little River Band from Get Lucky, 1990
"Second Wind", by Tracy Bonham from Down Here, 2000