YGN Views 4 meanings found YGN most often serves as the three‑letter code for Yangon, Myanmar’s largest city, while it also appears in technical circles describing young nuclear generation projects or certain yard‑craft vessels. Miscellaneous Yard Craft, Garbage Lighter (Non-Self Propelled) Academic & Science Young Generation in Nuclear Regional Greenway Sound, British Columbia, Canada Yangon (capital city of Burma/Myanmar)