1985 Nabisco Masters

{{Use mdy dates|date=August 2023}}

{{TennisEventInfo|1985|Nabisco Masters|

| date=January 14–21, 1986

| edition=16th (singles) / 12th (doubles)

| category=Masters

| draw=16S / 8D

| prize_money=$500,000

| location=New York City, US

| venue=Madison Square Garden

| surface=Carpet / indoor

| champs={{flagicon|TCH}} Ivan Lendl{{cite web |title=1985 Masters – Singles results |url=https://www.atptour.com/en/scores/archive/masters/605/1985/results |publisher=Association of Tennis Professionals (ATP)}}

| champd={{flagicon|SWE}} Stefan Edberg / {{flagicon|SWE}} Anders Järryd{{cite web |title=1985 Masters – Doubles results |url=https://www.atptour.com/en/scores/archive/masters/605/1985/results?matchType=doubles |publisher=Association of Tennis Professionals (ATP)}}

| before_name=Volvo Masters

| main_name=ATP Finals

}}

The 1985 Masters (also known as the 1985 Nabisco Masters for sponsorships){{cite book | last1 = Collins | first1 = Bud | authorlink1 = Bud Collins | title = The Bud Collins History of Tennis: An Authoritative Encyclopedia and Record Book | chapter = Year-End Championships | publisher = New Chapter Press | date = October 2010 | location = New York | pages = 746 | isbn = 978-0-942257-70-0}} was a men's tennis tournament held in Madison Square Garden, New York City, New York, United States in January 1986. It was the 16th edition of the year-end championships and was part of the 1985 Nabisco Grand Prix. First-seeded Ivan Lendl won the singles title.