Reincarnated as a Neglected Noble: Raising My Baby Brother With Memories From My Past Life (白豚貴族ですが前世の記憶が生えたのでひよこな弟育てます, Shiro Buta Kizoku desu ga Zense no Kioku ga Haeta node Hiyoko na Otōto Sodatemasu, "I'm a White Pig Aristocrat, But I Regained My Memories from My Previous Life, So I'm Raising a Younger Brother") is a Japanese light novel series written by Yashiro and illustrated by keepout.

It began serialization online in August 2018 on the user-generated novel publishing website Shōsetsuka ni Narō.

Written by Yashiro, Reincarnated as a Neglected Noble: Raising My Baby Brother With Memories From My Past Life began serialization on the user-generated novel publishing website Shōsetsuka ni Narō on August 28, 2018.

[3] It was later acquired by TO Books who began publishing the series with illustrations by keepout under their TO Bunko light novel imprint on January 10, 2020.

[27] The series is produced by Studio Comet and directed by Masafumi Satō, with scripts written by Mitsutaka Hirota, character designs by Tomoko Miyakawa, and music composed by Arisa Okehazama.