Erotic art is a broad field of the visual arts that includes any artistic work intended to evoke arousal. It usually depicts human nudity or sexual activity, and has included works in various visual mediums, including drawings, engravings, films, video games, paintings, photographs, and sculptures.

Some of the earliest known works of art include erotic themes, which have recurred with varying prominence in different societies throughout history. However, it has also been widely considered taboo, with either social norms or laws restricting its creation, distribution, and possession. This is particularly the case when it is deemed pornographic, immoral, or obscene.

The definition of erotic art can be subjective because it is dependent on context, as perceptions of what is erotic and what is art vary. A sculpture of a phallus in some cultures may be considered a traditional symbol of potency rather than overtly erotic. Material that is produced to illustrate sex education may be perceived by others as inappropriately erotic.

The Stanford Encyclopedia of Philosophy defines erotic art as "art that is made with the intention to stimulate its target audience sexually, and that succeeds to some extent in doing so".

A distinction is often made between erotic art and pornography, which also depicts scenes of sexual activity and is intended to evoke erotic arousal. Pornography is not usually considered fine art. People may draw a distinction based on the work's intent and message: erotic art would be works intended for purposes in addition to arousal, which could be appreciated as art by someone uninterested in their erotic content. US Supreme Court Justice Potter Stewart wrote in 1964 that the distinction was intuitive, saying about hard-core pornography which would not be legally protected as erotic art, "I know it when I see it".

Others, including philosophers Matthew Kieran and Hans Maes, have argued that no strict distinction can be made between erotic art and pornography.

Among the oldest surviving examples of erotic depictions are Paleolithic cave paintings and carvings, but many cultures have created erotic art.

Artifacts have been discovered from ancient Mesopotamia depicting explicit heterosexual sex. Glyptic art from the Sumerian Early Dynastic Period frequently shows scenes of frontal sex in the missionary position. In Mesopotamian votive plaques from the early second millennium BC, the man is usually shown entering the woman from behind while she bends over, drinking beer through a straw. Middle Assyrian lead votive figurines often represent the man standing and penetrating the woman as she rests on top of an altar. Scholars have traditionally interpreted all these depictions as scenes of ritual sex, but they are more likely to be associated with the cult of Inanna, the goddess of sex and prostitution. Many sexually explicit images were found in the temple of Inanna at Assur, which also contained models of male and female sexual organs, including stone phalli, which may have been worn around the neck as an amulet or used to decorate cult statues, and clay models of the female vulva.