Love in vein
Love in vein, Love in veins, or Love in vain may refer to:

Music
"Love in Vein", a song by Skinny Puppy on the album Last Rights
"Love in Veins", a song by Ian McCullough on the album Slideling 
"Love in Vain", a blues song by Robert Johnson
"Love in Vain", a song on The Ruts single, "Staring at the Rude Bois"

Other uses
"Love in Vein", an episode of the television program, Dark Angel
"Love in Vain", an episode of the X-Men animated series
Love in Vein, an anthology series edited by Poppy Z. Brite