French uses the 26 letters of the alphabet plus a few "add-ons": accents on vowels (è, é, etc...) or cedilla (ç).

When spelling your name -during a call for example- you will have to know how letters are said in French:

A	B	C	D	E
F	G	H	I	J
K	L	M	N	O
P	Q	R	S	T
U	V	W	X	Y
Z