Yes. Alcohol (khamr) and every intoxicant are haram. The Quran calls intoxicants an abomination of Satan's handiwork and commands the believers to avoid them (5:90). The Prophet ﷺ said that every intoxicant is khamr and every khamr is forbidden, and that what intoxicates in a large amount is forbidden even in a small amount.
Hai orang-orang yang beriman, sesungguhnya (meminum) khamar, berjudi, (berkorban untuk) berhala, mengundi nasib dengan panah, adalah termasuk perbuatan syaitan. Maka jauhilah perbuatan-perbuatan itu agar kamu mendapat keberuntungan.
Sesungguhnya syaitan itu bermaksud hendak menimbulkan permusuhan dan kebencian di antara kamu lantaran (meminum) khamar dan berjudi itu, dan menghalangi kamu dari mengingat Allah dan sembahyang; maka berhentilah kamu (dari mengerjakan pekerjaan itu).
Mereka bertanya kepadamu tentang khamar dan judi. Katakanlah: "Pada keduanya terdapat dosa yang besar dan beberapa manfaat bagi manusia, tetapi dosa keduanya lebih besar dari manfaatnya". Dan mereka bertanya kepadamu apa yang mereka nafkahkan. Katakanlah: "Yang lebih dari keperluan". Demikianlah Allah menerangkan ayat-ayat-Nya kepadamu supaya kamu berfikir,
Hadith
Sahih Muslim 2003a
Ibn 'Umar reported Allah's Messenger (ﷺ) as saying:Every intoxicant is Khamr and every intoxicant is forbidden. He who drinks wine in this world and dies while he is addicted to it, not having repented, will not be given a drink in the Hereafter
Sunan Abi Dawud 3681Grade: Al-Albani: Hasan Sahih · Muhammad Muhyi Al-Din Abdul Hamid: Hasan Sahih · Shuaib Al Arnaut: Sahih Lighairihi · Zubair Ali Zai: Isnaad Hasan
Narrated Jabir ibn Abdullah: The Prophet (ﷺ) said: If a large amount of anything causes intoxication, a small amount of it is prohibited
This is general information, not a fatwa. For your own situation, ask a qualified scholar.
Questions about halal and haram
Is alcohol haram in Islam?
Yes. Alcohol (khamr) and every intoxicant are haram. The Quran calls intoxicants an abomination of Satan's handiwork and commands the believers to avoid them (5:90). The Prophet ﷺ said that every intoxicant is khamr and every khamr is forbidden, and that what intoxicates in a large amount is forbidden even in a small amount.