Below is a list of heads of state of Montilla. This list brings together governors and presidents who held the head of state in Montilla during all historical periods in the country's history.

Colonial Montilla (1510-1812)

First Republic of Montilla (1812-1852)

No.	President (birth–death)	Elected	Took office	Left office	Political party		Previous public office	Birthplace
1	Nicolás de Azcona (1781–1848)	1825 (Plebiscite)	8 June 1812	14 November 1830	None (military)	Leon Herrada (1812-1822) Antonio Graciani (1822-1825) Alberto Ruiz Aguyao (1825-1830)	Supreme General of the Montillan Liberation Army	San Marcos, Province of Yanaguas, Montilla
2	Ruberte de la Forsa (1784–1864)	1830	15 November 1830	14 November 1835	Montillan Republicans (RM)	Samuel Valerio (RM)	President of the National Assembly	Posadas, Isla del Sal, Montilla
3	Juan Diego Verdasco (1784–1842)	1835	15 November 1835	2 May 1842	Montillan Republicans (RM)	Rosa y Costa (RM)	President of the National Assembly Formerly Governor of the Province of Isla del Arsenal	Ancona, Isla del Arsenal, Montilla
4	Antonio Graciani (1791–1850)	—	2 May 1842	8 June 1850	None (military)	Luciano Cotilla	General of the Montillan Army	Veralez, Province of Canaveral, Montilla
5	Luciano Cotilla (1817–1893)	—	8 June 1850	21 December 1852	None (military)	—	Vice-president	Pueblira, Province of Montalvo, Montilla

Second Republic of Montilla (1852-1893)

No.	President (birth–death / members)	Elected	Took office	Left office	Political party		Previous public office	Birthplace
	Restorationist Junta (Juan Pablo Vera, Agustin de Carmona, Francisco Aguayo)	—	21 December 1852	14 November 1855	None (military)	—	—	—
6	Francisco Aguayo (1805–1888)	1855	15 November 1855	14 November 1860	Conservative Party (PC)	Hector Cardaval (PC)	Member of the Restorationist Junta Formerly Brigadier General of the Montillan Army	La Paz del Campo, Province of Canaveral, Montilla
7	Mauricio Galves (1814–1905)	1860	15 November 1860	7 September 1863	Conservative Party (PC)	Hector Cardaval (PC)	Minister of War Formerly President of the National Assembly	Guaitiao, Province of Guaitiao, Montilla
8	Hector Cardaval (1809–1889)	—	8 September 1863	14 November 1865	Conservative Party (PC)	—	Vice-president	Guaitiao, Province of Guaitiao, Montilla
9	Gabriel Luz Arboleda (1816–1904)	1865	15 November 1865	14 November 1870	Republican Liberal Party (PLR)	Miguel Arboleda (PLR)	Governor of the Province of Artiaga	Puerto Morillo, Province of Artiaga, Montilla
10	Ezequiel Miralles (1828–1878)	1870 1875	15 November 1865	12 July 1878	Republican Liberal Party (PLR)	Orlando López (PLR)	Representative of Isla del Arsenal Formerly Lieutenant Commander of the Montillan Navy	Angosta, Isla del Arsenal, Montilla
11	Orlando López (1828–1878)	—	12 July 1878	31 December 1878	Republican Liberal Party (PLR)	—	Vice-president	Guaitiao, Province of Guaitiao, Montilla
12	Adán Ocampo Graciani (1834–1918)	—	1 January 1879	5 February 1879	None (military)	—	Colonel of the Montillan Army	Guaitiao, Province of Guaitiao, Montilla
13	Javier Franco (1820–1900)	—	5 February 1879	14 November 1880	Conservative Party (PC)	—	President of the National Assembly	Villanova, Isla del Sal, Montilla
14	Pedro Montero de Villaverde (1819–1895)	1880	15 November 1880	14 November 1885	Conservative Party (PC)	Ivan Ros (PC)	Minister of Industry and Agriculture Formerly Representative of the Province of Guaitiao	Barrueca, Province of Guaitiao, Montilla
15	Ivan Ros (1826–1924)	1885	15 November 1885	14 November 1890	Conservative Party (PC)	Javier Franco (PC)	Vice-president	Herrada, Province of Cabos Gemelos, Montilla
16	Alonso Mastache (1833–1893)	1890	15 November 1890	2 November 1893	Radical Republican League (LRR)	Juan Martin Mariano (PLR)	Governor of the Province of Canaveral	Nicolas de Azcona, Province of Canaveral, Montilla
	Novembrist Junta (Jesús Franco, Domingo Murillo, Hugo Aguinaldo)	—	2 November 1893	5 January 1898	None (military)	—	—	—

Third Republic of Montilla (1898-1943)

No.	President (birth–death / members)	Elected	Took office	Left office	Political party		Previous public office	Birthplace
	Januarist Junta (Lucián Sarmiento, Maximo Graciani, Leonardo Gaona)	—	5 January 1898	31 December 1899	None (military)	—	—	—
17	Benito Costa (1839–1900)	—	1 January 1900	14 November 1900	Independent	—	President of the National Assembly	Ciudad Mallea, Isla Mallea, Montilla
18	Martín Granado (1860–1943)	1900 1905	15 November 1900	14 November 1910	New Republican Party (NPR)	Ismael Tenorio (NPR)	Governor of the Province of Habacoa	La Frontera, Province of Habacoa, Montilla
19	Lorenzo Barrueco (1861–1941)	1910	15 November 1910	14 November 1915	Conservative Party (PC)	Álvaro Reyes (NPR)	—	Secadas, Province of Guaraguano, Montilla
20	Juan Manuel Venegas (1854–1921)	1915	15 November 1915	14 November 1920	Republican Alliance (AR)	Lorenzo Barrueco (AR)	President of the National Assembly	Fuerte Rocas, General Graciani, Montilla
21	Ernesto Rouco (1874–1953)	1920 1925	15 November 1920	8 April 1928	Republican Liberal Party (PLR)	Martín Hurtado (PLR)	President of the National Assembly	Pantano de Dios, Province of Bayamo, Montilla
22	Martín Hurtado (1865–1936)	—	8 April 1928	14 November 1930	Republican Liberal Party (PLR)	—	Vice-president	Herrada, Province of Cabos Gemelos, Montilla
23	Alonzo Varela (1886–1972)	1930	15 November 1930	14 November 1935	Republican Alliance (AR)	Martín Granado (AR)	Representative for the Province of Tierra Alta	Gayoso, Province of Tierra Alta, Montilla
24	Oscar Rasgado (1890–1951)	1935	15 November 1935	14 November 1940	National Democratic Union (UDN)	Ernesto Rouco (UDN)	Governor of the Province of Artiaga	Guaitiao, Province of Guaitiao, Montilla
25	Arturo Guillén (1894–1945)	1940	15 November 1940	26 April 1945	National Democratic Union (UDN)	Daniel Campos (UDN)	Minister of the Economy	Angosta, Isla del Arsenal, Montilla

Renovationalist Montilla (1945-1958)

No.	Caudillo (birth–death)	Portrait	Elected	Took office	Left office	Political party	Vice president(s)		Previous public office	Birthplace
1	Leonardo Murillo (1898–1958)		—	26 April 1945	11 December 1958	National Renewal Alliance (ARENA)		David Illescas (ARENA)	—	San Marcos, Isla del Sal, Montilla

People's Republic of Montilla (1958-Present)

No.	President (birth–death / members)	Elected	Took office	Left office	Political party		Previous public office	Birthplace
	Revolutionary Provisional Government (Miguel Guerra, Eduardo Velazquéz, Édgar Ocampo, Martina Manzanedo)	—	11 December 1958	14 November 1960	None (provisional government)	—	—	—
26	Miguel Guerra (1920–2010)	1960 to 1996	15 November 1960	14 November 2000	Communist Party of Montilla (PCM)	Eduardo Velazquéz (1960-1981) Álvaro Santana (1981-1990) Diego Villa Simarro (1990-2000) (PCM)	Leader of the Montillan Revolutionary Movement General Secretary of the Communist Party of Montilla	Cabalgata del Ángel, Isla del Arsenal, Montilla
27	Diego Villa Simarro (1954–)	2000 2004	15 November 2000	14 November 2008	Communist Party of Montilla (PCM)	Vanessa Amengual (PCM)	General Secretary of the Communist Party of Montilla Formerly vice-president	Plantaciones, Virrey Alverez, Montilla
28	María Alguacil (1980–)	2008 2012	15 November 2008	14 November 2016	Communist Party of Montilla (PCM)	Diego Villa Simarro (PCM)	General Secretary of the Communist Party of Montilla	Gayoso, Province of Tierra Alta, Montilla
29	Alonzo Garrido (1949–)	2016	15 November 2016	14 November 2020	Communist Party of Montilla (PCM)	Emmanuel Costa (PCM)	General Secretary of the Communist Party of Montilla	Guaitiao, Province of Guaitiao, Montilla
30	Fernando Gallardo (1948–2024)	2020	15 November 2020	26 March 2024	Communist Party of Montilla (PCM)	Carla Cotilla (PCM)	General Secretary of the Communist Party of Montilla	Puerto de Habacoa, Province of Habacoa, Montilla
31	Carla Cotilla (1991–)	—	26 March 2024	Incumbent	Communist Party of Montilla (PCM)	—	Vice-president	Palencia, Province of Bahía del Navegante, Montilla