For a long time I referred to Barry Manilow’s “Weekend in New England” as “When Will I Hold You?”
Led Zepplin’s “D’yer Maker” is a double whammy. For the unwashed it’s “You don’t have to go”, or “Baby Please don’t go” or even “the oh, oh oh oh oh oh song”. For the slightly washed Zep fan, it might be (mis)pronounced “dire maker”. For the real pronunciation, try saying it in an english accent.
“Jamaica” (D’yah Makah). According to a Behind the Music episode, the Zep was keen to experiment with various sounds in their songs, and this particular song was influenced by Jamaican music. So, they thought up a clever title, and a whoosh was born.
Come to think of it, Zep had others as well.
“Black Dog” aka “Hey, momma…” or something
“Misty Mountain Hop” aka “that one song about the girl with flowers in her hair”
“Stairway to Heaven” aka “Oh God, not this again. Hit seek would you?” 
Led Zep had one I STILL don’t know the name of, which I referred to as “the second song on II.” Actual name: “What Is and Never Shall Be” (I think).
And the Grateful Dead had a whole ALBUM I don’t know the proper name of, although I bought it twice. Double album . . . with a very nice decal inside . . . and songs like “Bertha” and “Mama Tried” and “Me and My Uncle.”
The GD also had a bunch of songs whose titles seemed to have not much to do with the words of the song. “Dire Wolf,” “Estimated Profit.”
And Bob Dylan? “It takes a lot to laugh, it takes a train to cry”? I know I liked the song that went with that title but damned if I can remember which song it was.
“She’ll always put a blanket on my bed.”
What Is And What Should Never Be