Here you can find the NATO Phonetic Alphabet, which is the most commonly used, along with Morse Code and other alphabets for different areas.

Letter Morse NATO English American Italian German International
A *- Alfa Andrew Able Ancona Anton Amsterdam
B -*** Bravo Benjamin Baker Bologna Berta Baltimore
C -*-* Charlie Charlie Charlie Como Casar Casablanca
D -** Delta David Dog Domodossola Dora Denmark
E * Echo Edward Easy Empoli Emil Edision
F **-* Foxtrot Fredrick Fox Firenze Friedrich Florida
G --* Golf George George Genova Gustav Gallipoli
H **** Hotel Harry How Hotel Heinrich Havana
I ** India Isaac Item Imola Ida Italy
J *--- Juliett Jack Jig I lunga Julius Jerusalem
K -*- Kilo King King Kursaal Kaufmann Kilogram
L *-** Lima Lucy Love Livorno Ludwig Liverpool
M -- Mike Mary Mike Milano Martha Madagascar
N -* November Nelli Nan Napoli Nordpol New York
O --- Oscar Oliver Oboe Otranto Otto Oslo
P *--* Papa Peter Peter Padova Paula Paris
Q --*- Quebec Queenie Queen Quarto Quelle Quebec
R *-* Romeo Robert Roger Roma Richard Roma
S *** Sierra Sugar Sugar Savona Samuel Santiago
T - Tango Tommy Tare Torino Theodor Tripoli
U **- Uniform Uncle Uncle Udine Ulrich Uppsala
V ***- Victor Victor Victor Venezia Viktor Valencia
W *-- Whiskey William William Washington Wilhelm Washington
X -**- X-ray Xmas X-ray Ics Xanthippe Xanthippe
Y -*-- Yankee Yellow Yoke York Ypsilon Yokohama
Z --** Zulu Zebra Zebra Zara Zeppelin Zurich