The number of alphabets depends on the language you are referring to. Here are some common examples:

• English alphabet: 26 letters (A to Z)
• Spanish alphabet: 27 letters (includes the letter Ñ)
• Russian alphabet (Cyrillic): 33 letters
• Greek alphabet: 24 letters
• Hindi alphabet (Devanagari script): 46 primary characters (including vowels and consonants)

If you mean how many alphabets exist in total worldwide, there are dozens of alphabets used by different languages, each with its own number of letters. Let me know if you want information about a specific language’s alphabet!