One who produces, brings forth, or generates.
- One that produces, especially a person or organization that produces goods or services for sale.
- One who supervises and controls the finances, creation, and public presentation of a play, film, program, or similar work.
- A furnace that manufactures producer gas.
- Ecology A photosynthetic green plant or chemosynthetic bacterium, constituting the first trophic level in a food chain; an autotrophic organism.