Editorially reviewed: September 2026.
The English alphabet is the 26-letter A–Z sequence used to write modern English with the Latin script. Knowing the sequence is useful, but reading English also requires understanding that letters and sounds do not match one-to-one in every word.
The 26 English letters
Uppercase: 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
Lowercase: 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
The Unicode Basic Latin chart encodes these uppercase and lowercase characters separately, which allows software to store and process them consistently across modern systems.
Vowel letters and consonant letters
A, E, I, O, and U are conventionally taught as the five basic vowel letters in English. Y can also function as a vowel letter, as in gym, happy, or my, while it functions as a consonant in yes.
The distinction between a vowel letter and a vowel sound matters. English has more vowel sounds than five, and a single written vowel letter can represent different sounds in different words.
Letters are not phonetic symbols
The English alphabet is a spelling system, not a precise pronunciation key. The International Phonetic Association maintains the International Phonetic Alphabet for detailed representation of speech sounds.
For learners, this means rules such as “C is soft before E, I, or Y” or “final E can change an earlier vowel” are useful patterns, but they are not universal laws. Pronunciation should be checked word by word when necessary.
A–Z quick navigation
- A — letter guide
- B — letter guide
- C — letter guide
- D — letter guide
- E — letter guide
- F — letter guide
- G — letter guide
- H — letter guide
- I — letter guide
- J — letter guide
- K — letter guide
- L — letter guide
- M — letter guide
- N — letter guide
- O — letter guide
- P — letter guide
- Q — letter guide
- R — letter guide
- S — letter guide
- T — letter guide
- U — letter guide
- V — letter guide
- W — letter guide
- X — letter guide
- Y — letter guide
- Z — letter guide
Capitalization
English uses uppercase letters at the beginnings of sentences and for many proper names, titles, acronyms, and other conventional purposes. Lowercase letters make up most ordinary running text. Capitalization rules are grammatical and stylistic conventions; they are separate from the basic identity of a letter.
Alphabetical order
Alphabetical order uses the standard A–Z sequence to organize words, names, indexes, dictionaries, directories, and data. Software may apply additional collation rules for punctuation, case, accents, and non-English characters, so computerized sorting can differ from a simple classroom A–Z exercise.
The alphabet in digital systems
In Unicode Basic Latin, uppercase A begins at U+0041 and uppercase Z ends at U+005A; lowercase a begins at U+0061 and lowercase z ends at U+007A. These code points identify characters, not a particular font style.
This distinction explains why the same letter can appear in many fonts while remaining the same character. It also explains why visually similar symbols—such as uppercase O and zero 0—are different characters in digital text.
Practical ways to learn or teach A–Z
- Connect each letter with several real words instead of relying on a single example.
- Teach uppercase and lowercase together.
- Practice letter names and common sound patterns separately.
- Use handwriting, typing, reading aloud, and sorting activities to reinforce different skills.
- Avoid presenting every English spelling pattern as exception-free.
- Use a dictionary or pronunciation resource when a word does not fit the expected pattern.
Where the English alphabet came from
English uses the Latin script, whose ancestry is connected with earlier Mediterranean alphabetic traditions. The Metropolitan Museum of Art outlines the historical relationship among early West Semitic, Phoenician, Greek, Etruscan, and Roman writing. The exact history of individual letter shapes is more complex than a simple one-picture-to-one-letter story.
Related guide
Alphabet A–Z: Writing Systems, Letters & English Guide explains the broader concept of an alphabet and how it differs from language and script.
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