Hoshino Tenchi (星野 天知, January 10, 1862 - September 17, 1950) was the pen name a noted poet, educator, calligrapher, and martial arts master in Meiji period Japan.

However, even as a student he began to submit humorous stories to magazines, and eventually quit both school and the family business to obtain diplomas in jiujitsu and Japanese swordsmanship.

In 1890, he helped launch a women's magazine Joshigakusei ("Schoolgirl"), for which Christian schools in Japan cooperated by sending a cautionary tale and moral encouragement and poetry written by students, with contributions from known writers such as Kitamura Tokoku and Shimazaki Toson.

He established the Bugei-ka, a department for the transmission of classical martial arts at the Meiji Women's College, where he also taught the Yagyū Shingan-ryū.

After his house was destroyed in the 1923 Great Kantō earthquake, he moved to Ashiya, Hyōgo, near Kobe, where he continued to teach Japanese calligraphy.