Namiki Gohei I
- Born: 1747
- Died: 1808
- Other Names: 五八、呉八、吾八 (Gohachi), 五兵衛 (Gohei)
- Japanese: 初代 並木 五瓶 (shodai Namiki Gohei)
Namiki Gohei was a prominent kabuki playwright of the Edo period, known for both his jidaimono (historical dramas) and sewamono (contemporary plays). His works include Banzuiin Chôbei and Kinmon gozan no kiri.
Three later playwrights succeeded to the name Namiki Gohei after him.