Jun Ōki (jap. 大木 淳, Ōki Jun), better known as Bibiru Ōki (ビビる 大木), is a Japanese comedian represented by Watanabe Entertainment. Ōki was a member of the comedy duo Bibiru.
- Known For: Acting
- Birthday: 1974-09-29
- Place of Birth: Kasukabe, Saitama Prefecture, Japan
- Also Known As: Bibiru Ohki, ビビる おおき, ビビる 大木, ビビる大木, Bibiru Ooki, Bibiru Ōki, Bibiru Ōki, 大木 淳, 大木淳, おおき じゅん