How do I say “Happy 15th Birthday” in Spanish?

Happy 15th Birthday In Spanish

Hi Selena,
Although the previous answers are grammatically correct.
On Spanish informal communication, you would not “wish someone a 15th birthday, per se”
You should address someone or even in writing a letter, just by:
Feliz Cumpleaños. or Feliz Cumpleaños Quinceañeras (os) if male.
Believe me, that I’ve never heard anyone say: Feliz decimoquinto cumpleaños.
We whom speak fluent Spanish DO NOT SAY IT THAT WAY.

Answer 6

as you see fit
formally
Feliz Cumpleaños quinceañero (MEN)
Feliz Cumpleaños quinceañera (FEMALE)
Informally
Cumpleaños feliz quinceañero (men)
Cumpleaños feliz quinceañera (female)
Feliz 15 años

it says: ”Feliz decimoquinto cumpleaños” or ”feliz 15avo cumpleaños”
I hope than help you

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RE:
How do I say “Happy 15th Birthday” in Spanish?

Answer 7

15o cumpleaños feliz
<3

¡Felices Quinces!

Feliz Quinceañera means “happy 15-year old girl”.

Feliz decimoquinto cumpleaños.

Answer 6

as you see fit
formally
Feliz Cumpleaños quinceañero (MEN)
Feliz Cumpleaños quinceañera (FEMALE)
Informally
Cumpleaños feliz quinceañero (men)
Cumpleaños feliz quinceañera (female)
Feliz 15 años

“felices quince años”

¡Felices Quinces!