Triangle Staff
| Native name | 有限会社トライアングルスタッフ | 
|---|---|
| Romanized name | Yūgen-gaisha Toraianguru Sutaffu | 
| Company type | Yūgen gaisha | 
| Industry | Japanese animation | 
| Founded | January 1987 | 
| Founder | Yoshimi Asari | 
| Defunct | December 2002 | 
| Successor | Palm Studio A.C.G.T | 
| Headquarters | Suginami, Tokyo, Japan | 
| Website | Archived site | 
Triangle Staff Corp. (Japanese: 有限会社トライアングルスタッフ, Hepburn: Yūgen-gaisha Toraianguru Sutaffu) was a Japanese animation studio established in 1987 from former Madhouse staff, producing series such as Macross Plus, Serial Experiments Lain, and NieA_7. The studio ceased operations in 2000, when they were set to do the animation production on WXIII: Patlabor the Movie 3.