There are near équivalents and after some more thinking about the question you’ll find certainly others besides those shown below ;

• “You seriously eat your pizza with a fork? Ugh, you’re one of THOSE people.”
  « Tu manges vraiment ta pizza avec une fourchette ? ah, tu es comme ça ?

• “Not to be that guy, but can you please not eat that around me? The smell makes my stomach ache.”
  « Je ne veux pas être du genre déplaisant, mais pourriez-vous vous abstenir de manger ça quand je suis là ? L’odeur me retourne l’estomac.

In a more formal level of expression, educated people might use the word “engeance”, which rings with the English idiomatism ; however, typical forms using this word are quite often a means of expressing much contempt or eventually to add a humourous streak;

(humourous streak)

• “You seriously eat your pizza with a fork? Ugh, you’re one of THOSE people.”
  « Tu manges vraiment ta pizza avec une fourchette ? ah, tu es de cette engeance ?