Abbreviations starting with Y

54 abbreviations begin with Y. This page lists Y to YYZ.

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• Y
• Z
• 0–9

• Y – Why +3 more
• Y-BOCS – Yale-Brown Obsessive Compulsive Scale
• Y-DNA – Y-chromosome DNA
• Y/N – Your name
• y/o – Years old
• Y2K – Year 2000 (fashion and design aesthetic)
• YA – Young adult
• YABU – You are being unreasonable
• YAC – Yards after catch +1 more
• YAG – YAG laser capsulotomy
• YAGNI – You aren't gonna need it
• YAML – YAML Ain't Markup Language
• YANBU – You are not being unreasonable
• YB – Yottabyte +1 more
• YCC – Yield curve control
• yd – Yard
• YDS – Yards
• YE – Yemen
• YEG – Edmonton International Airport
• YHZ – Halifax Stanfield International Airport
• YIMBY – Yes in my backyard
• YK – Yukon
• YKW – You know what
• YMCA – Young Men's Christian Association
• YMMV – Your mileage may vary
• YMYL – Your Money or Your Life
• YN – Yeoman
• YO – Youthful offender
• YOLO – You only live once +1 more
• YOW – Ottawa Macdonald-Cartier International Airport
• YoY – Year over year
• YPA – Yards per attempt
• YPC – Yards per carry
• YQX – Gander International Airport
• yr – Year
• YRP – Yellow Ribbon Program
• YSK – You should know
• YSL – Yves Saint Laurent
• YT – YouTube +3 more
• YTA – You're the a**hole
• YTC – Yield to call
• YTD – Year to date
• YTM – Yield to maturity
• YTW – Yield to worst
• YU – Yugoslavia
• YUL – Montréal-Pierre Elliott Trudeau International Airport
• YVR – Vancouver International Airport
• YW – You're welcome
• YWCA – Young Women's Christian Association
• YY – Year (two-digit)
• YYC – Calgary International Airport
• YYYY – Year (four-digit)
• YYYY-MM-DD – Year-month-day (ISO 8601 date format)
• YYZ – Toronto Pearson International Airport