The 24th annual Señorita México pageant was held 1978. Thirty-two contestants competed for the national title, which was won by Alba Cervera from Yucatán who competed in Miss Universe 1978 where she was a semi finalist. Cervera was crowned by outgoing Señorita México titleholder Felicia Mercado. She is the third Yucateca to win this title.
The Señorita Mundo México title was won by Martha Eugenia Ortiz from Distrito Federal who competed in Miss World 1978 where she was 3rd runner-up. Ortiz was crowned by outgoing Señorita México titleholder Felicia Mercado in a previous event to final night of competition. She is the second Capitalina to win this title.
| Final Results | Contestant | |
|---|---|---|
| Señorita México 1978 |
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| Señorita México Mundo 19781st Runner-up |
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| 2nd Runner-up |
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| 3rd Runner-up |
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| 4th Runner-up |
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| Top 7 |
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| State | Contestant | Height |
|---|---|---|
| Armida Herrera López | 1.72 | |
| Mirna Del Río | 1.70 | |
| Norma Alicia Lucero | 1.66 | |
| Cinthya Rosaura Hernández Monrad | 1.66 | |
| Silvia Elizabeth González Padilla | 1.67 | |
| Rosaura Patricia Melo Dávila | 1.72 | |
| Gloria Martha Pérez Tijerina | 1.66 | |
| Carmen Silvia González Cervantes | 1.72 | |
| Martha Eugenia Ortiz Gómez | 1.75 | |
| Ana Marcela Salas Del Campo | 1.76 | |
| Olga Pescador Sosa | 1.67 | |
| María José Urtiza Quiavallol | 1.71 | |
| Ana Laura Resendiz Caute | 1.67 | |
| María Inés Uzcanga Cano | 1.70 | |
| Ana Rosa Sánchez Mercado | 1.70 | |
| Elsa Angélica Onchi Navarro | 1.67 | |
| Patricia Castro Mendoza | 1.69 | |
| Hilda Rosas Preciado | 1.68 | |
| Ondina Rodríguez Viniegra | 1.66 | |
| María del Carmen Montecinos Alcazar | 1.68 | |
| Martha Patricia Tamayo | 1.65 | |
| Georgina Camacho Ravadán | 1.64 | |
| Rosy Mery Peraza González | 1.70 | |
| Mariza Shut | 1.64 | |
| Karla Sánchez Rojo | 1.69 | |
| Ana Elizabeth Vélez | 1.68 | |
| Gabriela Canuda Silva | 1.70 | |
| Claudia Georgina Beltrán Caballero | 1.68 | |
| Martha Acevedo García | 1.66 | |
| María del Carmen Alor Quezada | 1.64 | |
| Alba Margarita Cervera Labat | 1.70 | |
| Laura De López Delgadillo | 1.66 | |