BDK may refer to:
Bradykinin receptor B2 is a G-protein coupled receptor for bradykinin, encoded by the BDKRB2 gene in humans.
Bradykinin receptor B1 (B1) is a G-protein coupled receptor encoded by the BDKRB1 gene in humans. Its principal ligand is bradykinin, a 9 amino acid peptide generated in pathophysiologic conditions such as inflammation, trauma, burns, shock, and allergy.
The Bund der Deutschen Katholischen Jugend (BDKJ) is the umbrella of Catholic youth organizations in Germany.
Bhaskar Dattatraya Kulkarni (born 1949), popularly known as B. D. among his friends and colleagues, is an Indian chemical reaction engineer and a Distinguished Scientist of Chemical Engineering and Process Development at the National Chemical Laboratory, Pune.
Bulaki Das Kalla (born October 4, 1949) or Dr. B.D. Kalla, as he is popularly known, is a name in the Indian social and political arenas.
Bhaurao Dewaji Khobragade (25 September 1925 – 23 April 1984) was a lawyer and member of the Rajya Sabha at various times from 1958 to 1984, and was its deputy chairman from 1969 to 1972.
BDSM is a variety of often erotic practices or roleplaying involving bondage, discipline, dominance and submission, sadomasochism, and other related interpersonal dynamics.
Boko Haram, referred to by themselves as al-Wilāyat al-Islāmiyya Gharb Afrīqiyyah (Arabic: الولاية الإسلامية غرب أفريقيا, (Islamic State West Africa Province, ISWAP), and Jamā'at Ahl as-Sunnah lid-Da'wah wa'l-Jihād (Arabic: جماعة أهل السنة للدعوة والجهاد, "Group of the People of Sunnah for Preaching and Jihad"), is an Islamic extremist group based in northeastern Nigeria, also active in Chad, Niger and northern Cameroon.
Baku (Azerbaijani: Bakı, IPA: [bɑˈcɯ]) is the capital and largest city of Azerbaijan, as well as the largest city on the Caspian Sea and of the Caucasus region.