Pichincha (Spanish pronunciation: [piˈtʃintʃa]) is a province of Ecuador located in the northern Sierra region; its capital and largest city is Quito. It is bordered by Imbabura and Esmeraldas to the north, Cotopaxi and Santo Domingo de los Tsáchilas to the south, Napo and Sucumbíos to the east, and Esmeraldas and Santo Domingo de los Tsáchilas to the west.

Prior to 2008, the canton Santo Domingo de los Colorados was part of the Pichincha Province. It has since become its own province, Santo Domingo de los Tsáchilas.

The province is home to many rose plantations, which make up the bulk of Ecuador's floriculture industry.

Ethnic groups as of the Ecuadorian census of 2010:

• Mestizo 82.1%
• White 6.3%
• Indigenous 5.3%
• Afro-Ecuadorian 4.5%
• Montubio 1.3%
• Other 0.4%

The province is divided into eight cantons.

Canton	Pop. (2001)	Area (km)	Cantonization	Capital
Cayambe	69,800	1,187	July 23, 1883	Cayambe
Mejía	62,888	1,459	July 23, 1883	Machachi
Pedro Moncayo	25,594	333	Sep. 26, 1911	Tabacundo
Pedro Vicente Maldonado	9,965	657	Jan. 28, 1992	Pedro Vicente Maldonado
Puerto Quito	17,100	719	Apr. 1, 1996	Puerto Quito
Quito	1,839,853	4,204	Dec. 6, 1534	Quito
Rumiñahui	65,882	134	May 31, 1938	Sangolquí
San Miguel de Los Bancos	10,717	801	Feb. 14, 1991	San Miguel de los Bancos

• Cantons of Ecuador
• Centro de Levantamientos Integrados de Recursos Naturales por Sensores Remotos
• Provinces of Ecuador
• Santa Lucia Cloud Forest

• Gobierno de la Provincia Pichincha Web site of the Pichincha prefecture
• Data of Pichincha Geographical Data of the Province. Web site of the Pichincha Prefecture

• Provincial Prefecture's official page (in Spanish)