Heterogenia Linguistico: An Introduction to Interspecies Linguistics (ヘテロゲニア リンギスティコ ～異種族言語学入門～, Heterogenia Ringisutiko ~ Ishuzoku Gengogaku Nyūmon ~) is a Japanese manga series written and illustrated by Salt Seno.

It began serialization on Kadokawa Shoten's Young Ace Up manga website in March 2018.

Written and illustrated by Salt Seno, Heterogenia Linguistico: An Introduction to Interspecies Linguistics began serialization on Kadokawa Shoten's Young Ace Up manga website on March 9, 2018.

[1] The series, alongside Sweat and Soap and Dr. Stone, was ranked seventeenth in the 2020 edition of Takarajimasha's Kono Manga ga Sugoi!

[15] The series was also nominated for the sixth Next Manga Awards in the web category in 2020.