a musical ensemble (This, along with 'ensemble cast' are the most commonly used ways to describe an ensemble, though obviously not the only ways)

a thermodynamic ensemble

a neural ensemble

Geoworks Ensemble, a computer operating system.

a quantum ensemble

an ensemble cast (drama) (This, along with 'musical ensemble' are the most commonly used ways to describe an ensemble, though obviously not the only ways)

Ensemble, the annual festival held at Watumull Institute of Electronic Engineering and Computer Technology

a Climate Ensemble

Dynamis Ensemble, an Italian contemporary music ensemble from Milan

ensemble averaging

Ensemble Medusa, a record label

a DAB ensemble

ensemble forecasting (meteorology)

a distribution ensemble (mathematics)

a statistical ensemble in mathematical physics, for example

a fluid mechanical ensemble

Ensemble Studios, a Microsoft-owned company in the computer and video game industry.

The Ensemble, a theatre company in Australia.

The Ensemble Theatre, a theatre company in Houston, Texas

Ensemble (band), a project of Olivier Alary