1984–85 Ranji Trophy

{{Use British English|date=December 2014}}

{{Use dmy dates|date=December 2014}}

{{Infobox cricket tournament

| name = 1984-85 Ranji Trophy

| image = Ranji_trophy.jpg

| imagesize = 286px

| fromdate =

| todate =

| caption = The Ranji Trophy, which the winners get.

| administrator = BCCI

| cricket format = First-class cricket

| tournament format = League and knockout

| host =

| champions = Bombay

| count = 30

| participants = 24

| matches =

| attendance =

| player of the series =

| most runs = Ghulam Parkar (Bombay) (660){{cite web|title=Ranji Trophy, 1984/85 / Records / Most runs |url-access=subscription |url=https://cricketarchive.com/Archive/Events/1/Ranji_Trophy_1984-85/Batting_by_Runs.html|access-date=13 December 2014}}

| most wickets = Rajinder Goel (Haryana) (39){{cite web|title=Ranji Trophy, 1984/85 / Records / Most wickets |url-access=subscription |url=https://cricketarchive.com/Archive/Events/1/Ranji_Trophy_1984-85/Bowling_by_Wickets.html|access-date=13 December 2014}}

| website =

| previous_year = 1983–84

| previous_tournament = 1983–84 Ranji Trophy

| next_year = 1985–86

| next_tournament = 1985–86 Ranji Trophy

}}

The 1984–85 Ranji Trophy was the 51st season of the Ranji Trophy. The season was preceded by celebrations on the completion of fifty years and a one-day series by Australia. Mumbai won their 30th title defeating Delhi in the final considered one of the best in the history of Ranji Trophy. During the tournament, Ravi Shastri batting for Mumbai against Baroda, scored a double-century in 113 minutes, a record that would stand for more than thirty years.{{cite web|url=http://static.espncricinfo.com/db/ARCHIVE/1980S/1984-85/IND_LOCAL/RANJI/WEST/BOM_BARODA_RJI-W_08-10JAN1985.html |title=Ranji Trophy West Zone League, 1984-85:Bombay v Baroda |work=ESPNcricinfo |access-date=15 January 2019}}[https://stats.acscricket.com/Records/First_Class/Overall/Batting/Fastest_Double_Hundreds_by_Minutes.html Acscricket.com, Fastest double centuries in first class cricket]