Kagaku na Yatsura (カガクなヤツら, "Scientific Guys") is a Japanese manga series written and illustrated by Hideaki Yoshikawa [ja].

It was serialized in Akita Shoten's seinen manga magazine Champion Red Ichigo from February 2010 to December 2013, with its chapters collected in six tankōbon volumes.

An original video animation (OVA), produced by Hoods Entertainment and directed by Hiraku Kaneko [ja], was released in February 2013.

Written and illustrated by Hideaki Yoshikawa, Kagaku na Yatsura was serialized in Akita Shoten's seinen manga magazine Champion Red Ichigo from February 5, 2010,[2] to December 5, 2013.

[5] An original video animation (OVA) was bundled with the limited edition of the manga's fourth volume, released on February 20, 2013.