Snowzilla may refer to:

• Snowmageddon, Snowpocalypse, and Snowzilla, common nicknames for various winter storms in North America and the United Kingdom, including:
  • January 2016 United States blizzard
  • February 9–10, 2010 North American blizzard
• Snowzilla (snowman), a giant snowman built annually in Anchorage, Alaska
• Snowzilla, a jet-powered snow blower used on the Massachusetts Bay Transportation Authority's Ashmont–Mattapan High Speed Line