lo llamaremos

we'll call him

→ lo
phrase Rare #38,944
we'll call him Usually means that we will phone him; depending on context, lo can refer to an object, and llamar can mean “name.”
SP: Lo llamaremos mañana para confirmar la hora.
EN: We'll call him tomorrow to confirm the time.

Lo llamaremos más tarde.

We'll call him later.

Si tienes un niño lo llamaremos Jignesh.

If you have a boy, we'll name him Jignesh.

— Kal Ho Naa Ho (2003)

Lo llamaremos si lo necesitamos.

We'll call him if we need him.

No, vamos abajo y lo llamaremos.

No, we'll go downstairs and call him.

— Que Horas Ela Volta? (2015)

Lo llamaremos.

We'll call him.

Déjenos su número; nosotros lo llamaremos.

Leave us your number; we'll call you.

Lo llamaremos en tres días.

We will call you in three days.

— Masaan 2015 (2015)

No nos llame, nosotros lo llamaremos.

Don't call us; we'll call you.