Alcoy or Alcoi (in Catalan) is a city located in the province of Alicante, Spain. It has an area of 129.9 km² and, according to the 2003 census, a total population of 60,465 inhabitants, ranking as the 6th most populous city in the province. Serpis river crosses the municipal term of Alcoy.

Alcoy has an important industry related to textile, paper, food and metal. Furthermore, it has many factories which manufacture matches. Alcoy is the financial, commercial and cultural center in the surrounding area.

Many outdoors rock paintings exist in Alcoy, and there are some ruins of an Iberian settlement with fragments of Greco-Roman pottery.

Some buildings with artistic interest in the city are the Archeological Museum; the convent of San Agustín, reconstructed in the 18th century with paintings of the 16th century; and the Catholic church of Santa María, whose style is Valencian Baroque. The most important touristic celebration is Moros y Cristianos, in April.