Lazlo Is A Boys Name Of Slavic Origin. Derived From Ladislav, It Means "glorious Ruler" And May Also Be Spelled As Laszlo. Lazlo Is Especially Popular In Eastern European Countries Such As Hungary And Slovakia. Whether You Want To Honor Your Ancestral Heritage Or Babys Big Personality, Lazlo Is A Name Worth Considering. You Can Even Shorten It To Lo Or Laz To Create An Endearing Nickname For Your Little One.