The 1985 Donnay Indoor Championships was a men's tennis tournament played on indoor carpet courts at the Forest National in Brussels, Belgium the event was part of the 1985 Nabisco Grand Prix. It was the fifth edition of the tournament and was held from 11 March until 17 March 1985. Second-seeded Anders Järryd won the singles title.[1]
| width=130 bgcolor=dfe2e9 | Event | width=80 bgcolor=lime | W | width=85 bgcolor=thistle | F | width=85 bgcolor=ffff00 | SF | width=85 bgcolor=ffebcd | QF | width=85 bgcolor=afeeee | Round of 16 | width=85 bgcolor=afeeee | Round of 32 |
| style=background:#f3f3f3 | Singles | $42,000 | $21,000 | $11,130 | $5,985 | $3,255 | $1,785 | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| style=background:#f3f3f3 | Doubles* | $12,600 | $6,300 | $3,486 | $2,184 | $1,448 |
See main article: 1985 Donnay Indoor Championships – Singles. 
Anders Järryd defeated Mats Wilander, 6–4, 3–6, 7–5
See main article: 1985 Donnay Indoor Championships – Doubles. Stefan Edberg / Anders Järryd defeated Kevin Curren / 
Wojciech Fibak, 6–3, 7–6