After Midnight (German: Nach Mitternacht) is a 1937 novel by Irmgard Keun, set in Frankfurt am Main during the early Nazi period.

Sanna Moder is in love with her cousin Franz, and she and her friends try and enjoy life and what freedom they have in a city and country that is falling deeper under Nazi rule.

[7] After Midnight was rejected by Keun's Amsterdam-based publisher Allert de Lange, who feared that the book would damage the firm's commercial interests in Germany.

[9] In a 1985 review when it was reprinted, Publishers Weekly said of it, "Much of the material is dated, and the clever repartees, the little ironies seem sadly irrelevant now.

"[3] In Inside Story, Dr Geoff Wilkes called it "a minor masterpiece of satiric simplicity.