Apia is the capital and the largest city of Samoa. From 1900 to 1919, it was the capital of the German Samoa. The city is located on the central north coast of Upolu, Samoa's second largest island. Apia is the only "city" in Samoa and falls within the political district (itumalo) of Tuamasaga.

Apia or APIA may refer to:

• Apia, Samoa, the capital of Samoa
• Apia, city in Greek mythology which was ruled by Apis (Greek mythology)
• Apía, Risaralda, a town in Colombia

Apía is a town and municipality in the Department of Risaralda, Colombia. It is located at an elevation of 1,630 metres, about 60 km away from district capital Pereira in the valley of the Apia river. It has 17,000 inhabitants according to the 2005 census, 9,000 of which live in the urban areas of the municipality, the other 8,000 in the rural areas split into 42 corregimientos. The town has excellent views over the Tatamá Hill which is part of the Tatamá Nature Park.