In The Legend of Zelda: Ocarina of Time, Link meets a lot of people throughout his travels in Hyrule. After he saves the world, do you think he would ever go back and settle down with someone?
Would he go back to the forest and live with Saria? Settle down at Lon Lon Ranch? Keep true to his engagement by having the Zora's Sapphire? Even Nabooru said he grew up to be handsome, maybe he'll wait for her. He carries Nayru's Love with him throughout the game. Maybe it's a sign.
Whoever it is, odds are it's not this lady: