AB, Ab, or ab may refer to:
The Abrahamic religions, also referred to collectively as Abrahamism, are a group of Semitic-originated religious sects which claim descent from the practices of the ancient Israelites and the worship of the "God of Abraham".
Abu Dhabi (US /ˈɑːbuː ˈdɑːbi/, UK /ˈæbuː ˈdɑːbi/; Arabic: أبو ظبي Abū Ẓabī Emirati pronunciation [ɐˈbuˈðˤɑbi]) is the capital and the second most populous city of the United Arab Emirates (the most populous being Dubai), and also capital of the Emirate of Abu Dhabi, the largest of the UAE's seven emirates.
Abdullah II bin Al-Hussein (Arabic: عبد الله الثاني بن الحسين, ʿAbdullāh aṯ-ṯānī ibn Al-Ḥusayn, born 30 January 1962) has been king of Jordan since the 1999 death of his father, King Hussein.
Abortion is the ending of pregnancy by removing a fetus or embryo before it can survive outside the uterus.
The Abbasid Caliphate (/əˈbæsᵻd/ or /ˈæbəsᵻd/ Arabic: الخلافة العباسية al-Khilāfah al-‘Abbāsīyah) was the third of the Islamic caliphates to succeed the Islamic prophet Muhammad.
Abū Bakr al-Baghdadi (Arabic: أبو بكر البغدادي; born 28 July 1971 as Ibrahim Awad Ibrahim al-Badri إبراهيم عواد إبراهيم علي محمد البدري السامرائي) is the leader of the Sunni militant terrorist organisation known as the Islamic State of Iraq and the Levant (ISIL), which controls territory in western Iraq, Syria, Libya and Afghanistan.
Absinthe (/ˈæbsɪnθ/ or /ˈæbsænθ/; French: [apsɛ̃t]) is historically described as a distilled, highly alcoholic (45–74% ABV / 90–148 U.S.
Abkhazia (Abkhaz: Аҧсны́ Apsny [apʰsˈnɨ]; Georgian: აფხაზეთი Apkhazeti [ɑpʰxɑzɛtʰi]; Russian: Абха́зия, tr.