The 4K UHD release includes English SDH (Subtitles for the Deaf and Hard-of-Hearing) for both the theatrical and director's cuts.
Standard DVD versions also feature English and Spanish subtitles. Donnie Darko subtitles English
: A site specifically dedicated to high-quality English language tracks. Script for Reference The 4K UHD release includes English SDH (Subtitles
Platforms like Kanopy often provide the movie for free with a library card, complete with subtitle options. Downloadable Subtitles Script for Reference Platforms like Kanopy often provide
If you prefer reading the dialogue rather than having on-screen text, the full Donnie Darko screenplay is available online via Daily Script. Donnie Darko (2001) - DVD Movie Guide
If you have a digital file (like an .MKV or .MP4) and need an external subtitle file (.SRT), several reputable repositories host them. Note that you may need to choose a file that matches your specific version (Theatrical vs. Director’s Cut) to ensure the timing is correct.
: A massive community-driven site that is great for finding subtitles for older or rare editions.