Secrets of the Silent Witch (サイレント・ウィッチ 沈黙の魔女の隠しごと, Sairento Uitchi: Chinmoku no Majo no Kakushigoto) is a Japanese light novel series written by Matsuri Isora and illustrated by Nanna Fujimi.

Written by Matsuri Isora, Secrets of the Silent Witch was initially serialized on the user-generated novel publishing website Shōsetsuka ni Narō from February 20, to October 3, 2020.

[7] A two-volume prequel light novel series, titled Silent Witch -another- Rising of the Barrier Mage, was published under the same imprint from December 8, 2023 to April 10, 2024.

[31] A manga adaptation of the prequel novels, illustrated by Azu Azuko, began serialization on Kadokawa Corporation's KadoComi website on January 9, 2025.

[4] The series was ranked fourth in the tankōbon category in the 2023 edition of Takarajimasha's Kono Light Novel ga Sugoi!