| Hidari | |
| Native Name: | 左 |
| Native Name Lang: | ja |
| Birth Date: | May 28, 1980 |
| Nationality: | Japanese |
| Known For: | , Fractale |
| Occupation: | Illustrator, character designer |
is a Japanese illustrator born in Yokohama. He is primarily known as a light novel illustrator. His pseudonym and circle "Left Side" comes from the fact that he predominantly uses his left hand.
He was awarded third place in the 2010 “Kono Light Novel ga Sugoi!” illustrator ranking.[1]