Vegeta Calling Goku "Goku?"

[Cold Skin]

In the manga, Vegeta spontaneously refers to Goku by this name only once I think, if we don't count the times when he says "Goku is Kakarot" or "the one you call Goku", but only the times when he calls Goku spontaneously.

FRENCH TANKOBON 33: BEGINNING OF THE CELL GAME
CHAPTER 388: CELL HAS AN IDEA

Vegeta: "Don't bother. Goku and you won't have an occasion to fight... I just have to spend one more day in the room and I'll be more than ready..."
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Other than that, he doesn't even say it during his final speech.

FRENCH TANKOBON 42: BYE BYE DRAGON WORLD
CHAPTER 510: VEGETA AND KAKAROTTO

Vegeta: "Kakarotto... You're truly unbelievable... I'm absolutely no match for Majin Boo... You're the only one who can stand against him... I feel like I always knew... Why I could never catch up with you, despite the fact that I'm a battle genius... I thought it was because you always had someone to protect... The desire to protect someone can give birth to an unexpected strength. That's true... But I currently have a family of my own to protect too... I always fought to make my will a reality... For pleasure... To kill my adversaries... And by pride too... Unlike him... He doesn't fight to win. He fights not to lose, and to go beyond his own limits, again and again... He doesn't want to take the life of his adversary at all cost... He didn't even kill ME... As if he knew that someday, I would become someone better, a little more human... Just like today... He's a pain! A kind Saiyan who loves to fight, that's a complete paradox!! ... Do it, Kakarotto! YOU are number One!!"
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[LeprikanGT]

Either in Z or Kai, Vegeta is in space on that whole planet of Cui or Apples and he was talking about Frieza being defeated and he says Goku.

[Cipher]

Either in Z or Kai, Vegeta is in space on that whole planet of Cui or Apples and he was talking about Freeza being defeated and he says Goku.

Ug, because that's what they would know him as. If Goku was out gaining notoriety in space, he wouldn't be referring to himself as "Kakarot."

[Miracles]

That's Vegeta poking fun, as usual.

[Silver Sinspawn]

Garlic Jr. Saga, he questions some of Freezas soldiers, asking for the one that calls himself Goku, or something along those lines

[Sun-Wukong]

Those god-awful dub episodes on the tail end of the Freeza arc; Vegeta questions a bird-like soldier who doesn't believe Freeza is dead, and asks if he's seen a man named "Goku." I think he kills him later.

Anyone wish to confirm if he does this in the Japanese version?

That wasn't the tail end of the Frieza saga, it was the Garlic Jr. Saga. Just being nit-picky...

[jjgp1112]

In the dub when Vegeta is thinking about Goku in the rejuvenation chamber he thinks of him as "Goku". If that counts.

Also, a couple of episodes before that, when he says, "If Ginyu's in Goku's body, that means he still has Goku's strength!"

[gotensottile]

I believe in a movie he states to a soldier, "Do you know someone who goes by the name of Goku?"

[Sun-Wukong]

I believe in a movie he states to a soldier, "Do you know someone who goes by the name of Goku?"

That was in the Garlic Jr. Saga.