172nd Infantry Brigade may refer to:

• 172. Infanterie-Brigade, 86th Infantry Division (German Empire)
• 172nd (2/1st South Lancashire) Brigade
• 172nd Infantry Brigade (United States)

• 1934 in the United States
• 1934 Italian general election
• 1934 Jeffers
• 1934 Kansas State Wildcats football team
• 1934 Latvian Higher League
• 1934 Louisiana Tech Bulldogs football team
• 1934 Lowestoft by-election
• 1934 Luxembourg general election
• 1934 Madras Presidency Legislative Council election
• 1934 Major League Baseball season
• 1934 Maryland Terrapins football team
• 1934 Mestaruussarja
• 1934 Michigan Wolverines football team
• 1934 Minnesota Golden Gophers football team
• 1934 Minnesota gubernatorial election
• 1934 Montreux Fascist conference
• 1934 movie
• 1934 movies
• 1934 Muroto typhoon
• 1934 National Challenge Cup
• 1934 NCAA football season
• 1934 NCAA Men's Basketball All-Americans
• 1934 Nebraska Cornhuskers football team
• 1934 Nepal earthquake
• 1934 Nepal–Bihar earthquake