no conozco a

I don't know

→ no
phrase Common #2,725
I don't know Used when saying that you are not acquainted with or familiar with a person or group. The a is the personal a used before a direct object referring to people; conocer is used for knowing people, while saber is generally used for knowing facts or information.
SP: No conozco a nadie en esta ciudad.
EN: I don't know anyone in this city.

No conozco a ninguna de esas personas.

I don't know any of those people.

— Fallen angels (Ángeles caídos) (1995)

No conozco a ninguna.

I don't know any.

Dile a Tomás que yo no conozco a María.

Tell Tomás that I don't know María.

No conozco a ninguno.

I don't know any of them.

No conozco a su hija, pero Sébastien no es un fracasado.

I don’t know his daughter, but Sébastien isn’t a failure.

— Las invasiones bárbaras (2003)

No conozco a aquellos hombres.

I don't know those men.

No conozco a esta mujer.

I don't know this woman.

No conozco a ninguna de las dos chicas.

I don't know either of the two girls.

No conozco a Tom tan bien como Mary.

I don't know Tom as well as Mary does.

No conozco a todos en esta escuela.

I don't know everyone at this school.

Yo no conozco a esta señora.

I don't know this lady.

No conozco a esa perra.

I don't know that bitch.

— Asesinos (2015)

No conozco a las chicas.

I don't know the girls.

— Scary Movie (2000)

No conozco a ninguna Susan.

I don't know any Susan.

— El profesional (Léon) (1994)

No conozco a ninguna de las dos muchachas.

I don't know either of the two girls.

Miro a mi alrededor y no conozco a casi nadie.

I look around and I hardly know anyone.

— La sociedad de la nieve (2023)

No conozco a su hermana.

I don't know his sister.

— Naturaleza muerta (2006)

No conozco a aquella gente.

I don't know those people.

No conozco a todos mis estudiantes.

I don't know all my students.

No conozco a ese tipo.

I don't know that guy.

No conozco a ninguna de las cinco señoras.

I don't know any of the five women.

Casi no conozco a Tom.

I hardly know Tom.

Juro que no conozco a ese hombre.

I swear I don't know that man.

Decile a Tomás que yo no conozco a María.

Tell Tomás that I don't know María.

No conozco a Dorothée, pero me alegra que no cogiera usted la varicela.

I don't know Dorothée, but I'm glad you didn't catch chickenpox.

— La noche americana (1973)

No conozco a su padre.

I don't know his father.

— La cinta blanca (2009)

No conozco a esa gente.

I don’t know those people.

No conozco a esta señora.

I don't know this lady.

En verdad no conozco a Tom.

I really don't know Tom.

No conozco a ninguna Lucía.

I don't know any Lucía.

— Pinocho (2019)

Nunca subí a un helicóptero, no conozco a Obama, ni soy agente secreto.

I've never been on a helicopter, I don't know Obama, and I'm not a secret agent.

— Mañana empieza todo (2016)

No conozco a ninguna de las dos hermanas.

I don't know either of the two sisters.

No conozco a aquel señor.

I don't know that man.

No conozco a todos los estudiantes.

I don't know all the students.

Yo no conozco a la novia.

I don't know the bride.

No conozco a esa señora.

I don't know that lady.

No conozco a mis vecinos.

I don't know my neighbors.