This list includes the most prominent film by each person included in the 2021 Oscars "In Memoriam" segment. They are ranked in alphabetical order by last name. It's obviously debatable what "most prominent" means, so I do my best by trying to pick a highly rated, popular, and/or characteristic film.

I haven't seen a lot of these films, so if you think any of these people are better reflected in another film, let me know.

People not directly related with any films:
Nanci Ryder, 1952-2020, publicist
Sumner Redstone, 1923-2020, executive
William Bernstein, 1933-2020, executive

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Status: Complete
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My "2021" series:
Moogic's Favorite Films Watched In 2021
Moogic's Least Favorite Films Watched In 2021
Moogic's Top 10 Films of 2021
Oscars In Memoriam 2021

My "Oscars Memoriam" series:
2015
2016 - 2017 - 2018 - 2019 - 2020
2021 - 2022 - 2023 - 2024 - 2025
2026