Daniel is a masculine given name and a surname of Hebrew origin. It means, "God is my judge".
Yes, there are a number of saints named Daniel:Daniel Daniel Comboni Daniel Karmasz Daniel of Cambron Daniel of Padua Daniel of Villiers Daniel the Stylite Daniel, Anthony Daniel, Antoine
Daniel Alter's birth name is Daniel Zeev Alter.
Daniel Sarky's birth name is Orlic, Daniel.
Daniel Saks's birth name is Daniel A. Saks.
Daniel Qureshi's birth name is Daniel Dean.
Daniel Pennac's birth name is Daniel Pennacchioni.
Daniel Nickson's birth name is Daniel Nickson.
Daniel Trainer's birth name is Daniel Eady.
Daniel Vane's birth name is Daniel Widberg.
Daniel Tatarsky's birth name is Daniel Tasker.
Daniel Pasleaga's birth name is Daniel Pisleaga.
Daniel Darc's birth name is Daniel Rozoum.