“I'd like to name my kid a whole phrase. You know, something like "Ladies and Gentlemen". That'll be a cool name for a kid. "This is my son, Ladies and Gentlemen!" Then, when he gets out of hand, I get to go, "Ladies and Gentlemen, please!"”

Source: The Ruby Circle

I Don't Believe; Simon here quotes a comment by his wife, Edie Brickell, on the 2004 US presidential election.
Song lyrics, Surprise (2006)

October 12, 1977, reporting a school fire (initially mistaken as a tenement fire), while announcing Game 2 of the 1977 World Series. This comment, while widely attributed to Cosell, was never made.[citation needed]
Incorrectly Attributed

Lange described the call: "I went into a place to try and get something to eat and the lady very distinctly said to me, 'The kitchen is closed!' I said, 'Wow. There's the end, that's it, you can't eat any more, you haven't got a prayer.' I said, 'That's finality, baby!'"
"Eddie Spaghetti! The Story Behind Mike Lange-isms"

The 78th Academy Awards (2006)

Opening words to a commencement address supposedly given by Vonnegut at M.I.T., but actually based on Mary Schmich's June 1, 1997 column for the Chicago Tribune
Misattributed

WTF Is…? series, Day One: Garry's Incident (October 1, 2013)

Farewell Address (1947)
Context: Thank you very much ladies and gentlemen. You know how bad my voice sounds. Well, it feels just as bad. You know this baseball game of ours comes up from the youth. That means the boys. And after you've been a boy, and grow up to know how to play ball, then you come to the boys you see representing themselves today in our national pastime.