Miengo is a municipality in Cantabria, Spain.

Miengo is situated in the central coast of Cantabria, between the Ría de San Martín de la Arena and the Ría de Mogro. Miengo has five beaches: Cuchía, Los Caballos, Usgo, Robayera and Usil; and two "calas": Las Monedas y El Huevo Frito. The natural limits of Miengo are the river Pas (east), the Ria de San Martin de la Arena (east) and the Cantabric sea (north). Miengo has border with the municipalities of Polanco, Pielagos, Liencres and Suances.

Miengo has 4.540 in six villages:

• Bárcena de Cudón, 302.
• Cuchía, 745.
• Cudón, 532.
• Gornazo, 136.
• Miengo (Capital), 1.329.
• Mogro, 1.396.

Avelino Cuartas (People's Party) is the actual mayor of Miengo, since 1995.

Municipal elections, May 25, 2003 Partie Votes % Seats PP 1115 43,75 % 6 PSOE 738 27,95 % 3 PRC 499 18,90 % 2 Mayor elected: Avelino Cuartas (People's Party).

Municipal elections, May 27, 2007 Partie Votes % Seats PP 1328 49,52 % 6 PSOE 695 25,91 % 3 PRC 538 20,06 % 2 Mayor elected: Avelino Cuartas (People's Party).

Municipal elections, May 22, 2011 Partie Votes % Seats PP 1344 49,83 % 6 PRC 616 22,84 % 3 PSOE 554 20,54 % 2 Mayor elected: Avelino Cuartas (People's Party).

6,1% of the population of Miengo works in agriculture, 38,5% works in industry and 55,4% works in services. The unemployment rate is 11,4%.