There is none; it's an English name. You can spell it phonetically if you like: Tet, Yud, Fay, Nun, Yud.
In the Hebrew script your name would be spelled תרזה
The name Tiffany is the feminine form of the Greek name "Theophanes". In Greek it means "Manifestation of God", but it has no meaning in Hebrew.
Tiffany means the light of god. In Greek, the name is pronounced Theofania, or Fotini. Any girl(or maybe boy) who is named Tiffany, shows God's love and glory, Tiffany are cute, lovable, funny and someone you can't hate a lot. A Tiffany is bright, cheerful and smart, and we are also the revelation of GOD!! ;)
Tiffany doesn't have a Hebrew meaning. It only has Greek meaning. It comes from the Greek name Theophania, which means "manifestation of God" from Greek θεος (theos) "god" and φανης (phanes) "appearing".
Tiffany Seth's birth name is Tiffany Noisworthy.
Tiffany Khamphinuwat's birth name is Tiffany Khampheenuwat.
Tiffany Chow's birth name is Tiffany Jao.
Tiffany Evans is Tiffany Evans' real name.
Tiffany Tynes's birth name is Tiffany Tynes.
Tiffany Rinehart's birth name is Tiffany Christine Rinehart.
Tiffany Houghton's birth name is Tiffany Crystal Houghton.
Tiffany Dinsmore's birth name is Tiffany Elise McDonald.