The 99 Names of God according to the tradition of Islam are:
Allah (الله) God
Ar-Rahman (الرحمن) The All Beneficent
Ar-Rahim (الرحيم) The Most Merciful
Al-Malik (الملك) The King** The Sovereign
Al-Quddus (القدوس) The Most Holy
As-Salam (السلام) Peace and Blessing
Al-Mu'min (المؤمن) The Guarantor
Al-Muhaymin (المهيمن) The Guardian** the Preserver
Al-Aziz (العزيز) The Almighty** the Self Sufficient
Al-Jabbar (الجبار) The Powerful** the Irresistible
Al-Mutakabbir (المتكبر) The Tremendous
Al-Khaliq (الخالق) The Creator
Al-Bari' (البارئ) The Maker
Al-Musawwir (المصور) The Fashioner of Forms
Al-Ghaffar (الغفار) The Ever Forgiving
Al-Qahhar (القهار) The All Compelling Subduer
Al-Wahhab (الوهاب) The Bestower
Ar-Razzaq (الرزاق) The Ever Providing
Al-Fattah (الفتاح) The Opener** the Victory Giver
Al-Alim (العليم) The All Knowing** the Omniscient
Al-Qabid (القابض) The Restrainer** the Straightener
Al-Basit (الباسط) The Expander** the Munificent
Al-Khafid (الخافض) The Abaser
Ar-Rafi (الرافع) The Exalter
Al-Mu'izz (المعز) The Giver of Honor
Al-Mudhill (المذل) The Giver of Dishonor
As-Sami (السميع) The All Hearing
Al-Basir (البصير) The All Seeing
Al-Hakam (الحكم) The Judge** the Arbitrator
Al-Adl (العدل) The Utterly Just
Al-Latif (اللطيف) The Subtly Kind
Al-Khabir (الخبير) The All Aware
Al-Halim (الحليم) The Forbearing** the Indulgent
Al-Azim (العظيم) The Magnificent** the Infinite
Al-Ghafur (الغفور) The All Forgiving
Ash-Shakur (الشكور) The Grateful
Al-Ali (العلى) The Sublimely Exalted
Al-Kabir (الكبير) The Great
Al-Hafiz (الحفيظ) The Preserver
Al-Muqit (المقيت) The Nourisher
Al-Hasib (الحسيب) The Reckoner
Al-Jalil (الجليل) The Majestic
Al-Karim (الكريم) The Bountiful** the Generous
Ar-Raqib (الرقيب) The Watchful
Al-Mujib (المجيب) The Responsive** the Answerer
Al-Wasi (الواسع) The Vast** the All Encompassing
Al-Hakim (الحكيم) The Wise
Al-Wadud (الودود) The Loving** the Kind One
Al-Majid (المجيد) The All Glorious
Al-Ba'ith (الباعث) The Raiser of the Dead
Ash-Shahid (الشهيد) The Witness
Al-Haqq (الحق) The Truth** the Real
Al-Wakil (الوكيل) The Trustee** the Dependable
Al-Qawiyy (القوى) The Strong
Al-Matin (المتين) The Firm** the Steadfast
Al-Waliyy (الولى) The Protecting Friend** Patron** and Helper
Al-Hamid (الحميد) The All Praiseworthy
Al-Muhsi (المحصى) The Accounter** the Numberer of All
Al-Mubdi' (المبدئ) The Producer** Originator** and Initiator of all
Al-Mu'id (المعيد) The Reinstater Who Brings Back All
Al-Muhyi (المحيى) The Giver of Life
Al-Mumit (المميت) The Bringer of Death** the Destroyer
Al-Hayy (الحي) The Ever Living
Al-Qayyum (القيوم) The Self Subsisting Sustainer of All
Al-Wajid (الواجد) The Perceiver** the Finder** the Unfailing
Al-Majid (الماجد) The Illustrious** the Magnificent
Al-Wahid (الواحد) The One** the All Inclusive** the Indivisible
As-Samad (الصمد) The Self Sufficient** the Impregnable** the Eternally Besought of All** the Everlasting
Al-Qadir (القادر) The All Able
Al-Muqtadir (المقتدر) The All Determiner** the Dominant
Al-Muqaddim (المقدم) The Expediter** He who brings forward
Al-Mu'akhkhir (المؤخر) The Delayer** He who puts far away
Al-Awwal (الأول) The First
Al-Akhir (الأخر) The Last
Az-Zahir (الظاهر) The Manifest; the All Victorious
Al-Batin (الباطن) The Hidden; the All Encompassing
Al-Wali (الوالي) The Patron
Al-Muta'ali (المتعالي) The Self Exalted
Al-Barr (البر) The Most Kind and Righteous
At-Tawwab (التواب) The Ever Returning** Ever Relenting
Al-Muntaqim (المنتقم) The Avenger
Al-'Afuww (العفو) The Pardoner** the Effacer of Sins
Ar-Ra'uf (الرؤوف) The Compassionate** the All Pitying
Malik al Mulk (مالك الملك) The Owner of All Sovereignty
Dhu al Jalal wa al Ikram (ذو الجلال و الإكرام) The Lord of Majesty and Generosity
Al-Muqsit (المقسط) The Equitable** the Requiter
Al-Jami' (الجامع) The Gatherer** the Unifier
Al-Ghani (الغنى) The All Rich** the Independent
Al-Mughni (المغنى) The Enricher** the Emancipator
Al-Mani'(المانع) The Withholder** the Shielder** the Defender
Ad-Darr (الضار) The Distressor** the Harmer (This attribute can only be found in hadith)
An-Nafi' (النافع) The Propitious** the Benefactor
An-Nur (النور) The Light
Al-Hadi (الهادي) The Guide
Al-Badi (البديع) Incomparable** the Originator
Al-Baqi (الباقي) The Ever Enduring and Immutable
Al-Warith (الوارث) The Heir** the Inheritor of All
Ar-Rashid (الرشيد) The Guide** Infallible Teacher** and Knower
As-Sabur (الصبور) The Patient** the Timeless