Very Short Introductions (VSI) is a book series published by the Oxford University Press (OUP).

The books are concise introductions to particular subjects, intended for a general audience but written by experts.

While authors may present personal viewpoints, the books are meant to be "balanced and complete" as well as thought provoking.

Two books have been removed from the series: #60, "Shakespeare" by Germaine Greer was replaced by "William Shakespeare" by Stanley Wells; and #116, "Anarchism" by Colin Ward was replaced by "Anarchism" by Alex Prichard.

Writing in the New Yorker in 2017, Kathryn Schulz praised the diversity of topics covered but noted significant gaps in coverage, including an absence of women and people of colour in its 54 biographies and "a British bias in the choice of subjects".