The 99 Names · Names Most Often Paired in the Quran
Al-Maleek المليك
The Sovereign, owner of the mighty dominion, with absolute authority over His creation.
Explanation
A detailed explanation of this name (in Arabic) is in: Sharh Asma' Allah al-Husna fi Daw' al-Kitab wa al-Sunnah — Dr. Sa'eed ibn 'Ali ibn Wahf al-Qahtani — p. 165 ↗
The author explains this name together with: Al-Malik, Maalik-ul-Mulk
Evidence
﴿فِي مَقۡعَدِ صِدۡقٍ عِندَ مَلِيكࣲ مُّقۡتَدِرِۭ ٥٥﴾
Call upon Allah by this name
“To Allah belong the Beautiful Names, so call upon Him by them” — Al-A'raf 180
From the Prophetic Sunnah
The Prophet ﷺ taught it to Abu Bakr for morning and evening
«اللهم فاطر السموات والأرض، عالم الغيب والشهادة، رب كل شيء ومليكه، أشهد أن لا إله إلا أنت، أعوذ بك من شر نفسي وشر الشيطان وشركه»
Jami' at-Tirmidhi (3392) and Sunan Abi Dawud (5067)
Grading: Authentic — al-Albani, Sahih at-Tirmidhi (2701)