Heart Lexicon

What is the difference?

Gender expression vs Gender identity

Gender expression and gender identity are often run together, but one is outward and the other inward. Expression is how a person shows gender to the world; identity is the person's internal sense of their own gender.

Gender expression

The way a person outwardly shows gender through things like clothing, hairstyle, voice, body language and name.

Full entry

Gender identity

A person's deeply felt internal sense of their own gender, for example as a woman, a man, both, neither, or something else.

Full entry

Side by side

Gender expressionGender identity
Where it livesGender expressionOutside: what others can see or hear.Gender identityInside: known only to the person themselves.
ExamplesGender expressionClothing, hairstyle, voice, body language, name.Gender identityWoman, man, both, neither, or another gender.
How it is describedGender expressionOften along a range from feminine to masculine, with androgynous in between.Gender identityIn the person's own words, such as cisgender, transgender or non-binary.
Can it varyGender expressionEasily; it can change with setting, mood or fashion.Gender identityUsually deeply felt and lasting, though for some people it shifts over time.

In short

Gender expression is how gender looks from the outside; gender identity is who someone knows themselves to be. One does not reliably predict the other.

What they have in common

Everyone has both, and both are separate from sexual orientation.

More comparisons

Last reviewed 16 October 2026. Spotted a mistake?