Some surahs in the Quran are known by multiple names. You can verify this by comparing Mushafs from different parts of the world.
Some examples:
- Surah 9: Known as “At-Taubah” (the repentance) and “Al-Bara’ah” (disassociation)
- Surah 17: Known as both “Al-Isra” (night journey) and “Bani Isra’eel” (children of Israel)
- Surah 40: Called “Ghafir” (the forgiver) and “Al-Mu’min” (the believer)
- Surah 76: Referred to as “Al-Insan” (the human) and “Ad-Dahr” (time)
- Surah 111: Known as “Al-Lahab” (the flame) and “Al-Masad” (the palm fiber)
References: https://islamqa.info/en/answers/163112/