As a rule, names are not translated, so it's Brian. There is no German equivalent.
*I disagree to the above comment. There is Christopher, Cristóbal, Cristofer, Kristoff etc. The name Brian sounds Br(äi)an, my cousin was named Brayan as that's how Brian sounds more or less in our language (not German). As to the German equivalent of Brian, it remains unknown to me.
As a rule names are not translated, so it's Bryan. There is no German equivalent.
I love you Bryan translates as ich liebe Dich Bryan.
Brian. A Name is the same in every language.
Brian H. Wootton has written: 'German Shepherd Dogs' 'The German shepherd dog' -- subject(s): German shepherd dog, German shepherd dogs
Brian Machleit's birth name is Brian Machleit.
Brian Locking's birth name is Brian Locking.
Betty Brian's birth name is Elizabeth Brian.
Doris Brian's birth name is Doris Brian.
Gwen Brian's birth name is Gwen Brian.
Brian Bierwiler's birth name is Brian Bierwiler.
Brian Matzke's birth name is Brian Matzke.
Brian Lemmons's birth name is Brian Wise.
Brian Heidik's birth name is Brian A. Heidik.
Brian VanRiper's birth name is Brian VanRiper.