Koromiko may refer to:

• Hebe salicifolia, a plant endemic to New Zealand
• Hebe stricta, a plant endemic to New Zealand
• Koromiko, New Zealand, a locality in Marlborough, New Zealand

• Winchester ARCA 200
• Winchester Boat Club
• Winchester Britton
• Winchester by-election, 1916
• Winchester by-election, 1964
• Winchester by-election, 1997
• Winchester Cathedral (album)
• Winchester Cathedral (disambiguation)
• Winchester Cathedral (New Vaudeville Band album)
• Winchester Catholic Church
• Winchester Center (MBTA station)
• Winchester, Christopher
• Winchester City Council election, 1998
• Winchester City Council election, 1999
• Winchester City Council election, 2000
• Winchester City Council election, 2002
• Winchester City Council election, 2003
• Winchester City Council election, 2004
• Winchester City Council election, 2006
• Winchester City Council election, 2007
• Winchester City Council election, 2008
• Winchester City Council election, 2010
• Winchester City Council election, 2012
• Winchester City Council election, 2014
• Winchester City Council election, 2015