My close friends and my younger brother know, but they think anything of it.
My close friends are willing to listen to my babbling about yaoi, usually with an amused look on their faces.
But nobody around me I like yaoi, so it's not possible to have real conversations on the genre.
However, I'd NEVER tell my dad.
I love my dad despite his flaws, but if he ever gets wind of this, my very Chinese, traditional, chauvinist & homophobic dad will start a war with me.