Japonica

Japonica may refer to:

• Latin for "of Japan"
• Japonica, a British common name for garden plants of genus Chaenomeles (flowering quince) including Chaenomeles japonica and others
• Camellia japonica, the common or Japanese camellia
• Japonica, subgenus of Fritillaria flowering bulbous perennial plants
• Japonica rice, a major variety of Asian rice
• Japonica (butterfly), a butterfly genus in the Theclinae subfamily
• Japonica group, species group of Caenorhabditis nematodes, including Caenorhabditis japonica and others
• Japonica, an SOE F Section network in the Second World War