It is not possible to perfectly translate the names and attributes of Allah from their original Arabic into English. However, here are some fairly close explanations.

Allah
He who has the power to create the entities.

Ar-Rahman
The One who has plenty of mercy for the believers and the blasphemers in this world and especially for the believers in the hereafter.
The Most Merciful

Ar-Rahim
The One who has plenty of mercy for the believers.
The most Compassionate

Al-Malik
The One with the complete Dominion, the One Whose Dominion is clear from imperfection.
The King, the Monarch

Al-Qudtus
The One who is pure from any imperfection and clear from children and adversaries.
The Holy one

As-Salam
The One who is free from every imperfection.
The Peace, The Tranquility

Al-Mu'min
The One who witnessed for Himself that no one is God but Him. And He witnessed for His believers that they are truthful in their belief that no one is God but Him.
The One with Faith
The Faithful, The Trusted

Al-Muhaymin
The One who witnesses the saying and deeds of His creatures.
The Protector
The vigilant, the controller

Al-'Aziz
The Defeater who is not defeated.
The Mighty
The Almighty, the powerful

Al-Jabbar
The One that nothing happens in His Dominion except that which He willed.
The oppressor, the all Compelling

Al-Mutakabbir
The One who is clear from the attributes of the creatures and from resembling them.
The Haughty, the Majestic
The Imperious

Al-Khaliq
The One who brings everything from non-existence to existence.
The Creator, the Maker

Al-Bari'
The Creator who has the Power to turn the entities.
The Artificer, the Creator

Al-Musawwir
The One who forms His creatures in different pictures.
The Fashioner
The Organiser the Designer

Al-Ghaffar
The One who forgives the sins of His slaves time and time again.
The Forgiving, the Forgiver

Al-Qahhar
The Subduer who has the perfect Power and is not unable over anything.
The Almighty, the Dominant

Al-Wahhab
The One who is Generous in giving plenty without any return. e is everything that benefits whether Halal or Haram.
The Donor, the Bestower

Ar-Razzaq
The Provider, the Sustainer

Al-Fattah
The One who opens for His slaves the closed worldy and religious matters.
The Opener, the Revealer

Al-'Alim
The Knowledgeable; The One nothing is absent from His knowledge.
The all Knowing, the Omniscient

Al-Qabid
The One who constricts the sustenance.
The Contractor, The Restrainer, the Recipient.

Al-Basit
The One who expands and widens.
The Expander, He who expands

Al-Khafid
The One who lowers whoever He willed by His Destruction.
The Abaser, the Humbler

Ar-Rafi'
The One who raises whoever He willed by His Endowment.
The Raiser, the Exhalter

Al-Mu'iz
He gives esteem to whoever He willed, hence there is no one to degrade Him;
The Honorer, the Exhalter

Al-Muzil
Degrades whoever he willed, hence there is no one to give him esteem.
The Abaser, the Degrader, the Subduer

As-Sami'
The One who Hears all things that are heard by His Eternal Hearing without an ear, instrument or organ.
The Hearer, The All hearing, all knowing.

Al-Basir
The One who Sees all things that are seen by His Eternal Seeing without a pupil or any other instrument.
The Seer, The discerning, the All seeing.

Al-Hakam
He is the Ruler and His judgment is His Word.
The arbitrator, the Judge

Al-'Adl
The One who is entitled to do what He does.
The justice, the equitable. The Just.

Al-Latif
The Most Gentle, the Gracious.
The One who is kind

Al-Khabir
The One who knows the truth of things.
The Aware. The Segacious, one is who is aware.

Al-Halim
The One who delays the punishment for those who deserve it and then He might forgive them.
The Gentle. The most patient, the Clement.

Al-'Azim
The One deserving the attributes of Exaltment, Glory, Extolement,and Purity from all imperfection.
The Great, Mighty

Al-Ghafoor
The One who forgives a lot.
The Forgiving, the Pardoner.

Ash-Shakur
The One who gives a lot of reward for a little obedience.
The Grateful, the Thankful

Al-'Ali
The One who is clear from the attributes of the creatures.
The most high, the exhalted.

Al-Kabir
The One who is greater than everything in status.
The great, the big.

Al-Hafiz
The One who protects whatever and whoever He willed to protect.
The Guardian, the preserver.

Al-Muqit
The One who has the Power.
The maintainer, The Nourisher

Al-Hasib
The One who gives the satisfaction.
The noble, The Reckoner

Aj-Jalil
The One who is attributed with greatness of Power and Glory of status.
The Majestic. The honorable, the exhalted.

Al-Karim
The One who is clear from abjectness.
The most generous, the Bountiful.

Ar-Raqib
The One that nothing is absent from Him. Hence it's meaning is related to the attribute of Knowledge.
The Guardian, the watchful. Watcher.

Al-Mujib
The One who answers the one in need if he asks Him and rescues the yearner if he calls upon Him.
The Responder. The respindent, one who answers.

Al-Wasi'
The Englober. The enricher, the Omnipresent, the Knowledgeable.

Al-Hakim
The One who is correct in His doings.
The most Wise, the Judicious.

Al-Wadud
The Affectionate, the Loving.

Al-Majid
The One who is with perfect Power, High Status, Compassion, Generosity and Kindness.
The Glorious, the exhalted.

Al-Ba'ith
The One who resurrects for reward and/or punishment.
The Resurrector, the Raiser from death.

Ash-Shahid
The One who nothing is absent from Him.
The Witness

Al-Haqq
The One who truly exists.
The Truth, the Just.

Al-Wakil
The One who gives the satisfaction and is relied upon.
The Guardian, the Trustee

Al-Qawee
The One with the complete Power.
The powerful, the Almighty, The Strong

Al-Matin
The One with extreme Power which is un-interrupted and He does not get tired.
The Strong, the Firm

Al-Walee
The Supporter, the Friend, the Defender the master.

Al-Hamid
The praised One who deserves to be praised.
The Praiseworthy , the Commendable

Al-Muhsi
The One who the count of things are known to him.
The Counter

Al-Mubdi'
The One who started the human being. That is, He created him.
The Beginner, the Creator, The Originator

Al-Mu'eed
The One who brings back the creatures after death.
The Restorer, the Resurrector.

Al-Muhyee
The One who took out a living human from semen that does not have a soul. He gives life by giving the souls back to the worn out bodies on the resurrection day and He makes the hearts alive by the light of knowledge.
The Bestower, the Life Giver.

Al-Mumeet
The One who renders the living dead.
The Bringer of Death. The Death Giver.

Al-Hayy
The One attributed with a life that is unlike our life and is not that of a combination of soul, flesh or blood.
The Living. The Alive, the ever living.

Al-Qayyum
The One who remains and does not end.
The Self-Subsistent, The Eternal, the Self Sustaining.

Al-Wajid
The Rich who is never poor. Al-Wajd is Richness.
The all percieving, the Opulent, the Finder.

Al-Wahid
The One without a partner.
The One, the Unique.

Al-Majid
The One who is Majid.
The Noble, the illustrous.

Al-Ahad
The only, the Unique.

As-Samad
The Master who is relied upon in matters and reverted to in ones needs.
The Perfect, the Eternal.

Al-Qadir
The One attributed with Power.
The Able, the Capable, the Omnipotent.

Al-Muqtadir
The One with the perfect Power that nothing is withheld from Him.
The Capable, The all Powerful

Al-Muqadtim
He makes ahead what He wills.
The Presenter, The Advancer, The Expediter

Al-Mu'akhkhir
The One who delays what He wills.
The Fulfiller, the keeper behind, The Deferrer

Al-'Awwal
The One whose Existence is without a beginning.
The First

Al-'Akhir
The One whose Existence is without an end.
The Last

Az-Zahir
The Apparent, the Exterior, The Manifest
The One that nothing is above Him and nothing is underneath Him, hence He exists without a place.

Al-Batin
The Hidten, the Interior, the Latent

Al-Wali
The One who owns things and manages them.
The Governor, The Ruler, The Master

Al-Muta'ali
The One who is clear from the attributes of the creation.
The Exalted, The most high, one above reproach.

Al-Barr
The One who is kind to His creatures, who covered them with His sustenance and specified whoever He willed among them by His support, protection, and special mercy.
The Benefactor, The Beneficient, the Pious.

At-Tawwab
The One who grants repentance to whoever He willed among His creatures and accepts his repentance.
The Acceptor of Repentance, The Forgiver, the Relenting.

Al-Muntaqim
The One who victoriously prevails over His enemies and punishes them for their sins. It may mean the One who destroys them.
The Avenger

Al-'Afuww
The One with wide forgiveness.
The Forgiver, the effacer, the Pardoner

Ar-Ra'uf
The One with extreme Mercy. The Mercy of Allah is His will to endow upon whoever He willed among His creatures.
The merciful, the Ever Indulgent.

Al-Muqsit
The One who is Just in His judgment.
The Just the Equitable

Aj-Jami'
The One who gathers the creatures on a day that there is no doubt about, that is the Day of Judgment.
The Collector, the comprehensive, Gatherer

Al-Ghanee
The One who does not need the creation.
The rich, the all sufficing, Self-Sufficient

Al-Mughnee
The One who satisfies the necessities of the creatures.
The Enricher, sufficer, the bestower.

Al-Mani'
The Supporter who protects and gives victory to His pious believers. Al-Mu'tiy
The Withholder
The Preventer, the prohibiter, the defender.

Ad-Darr
The One who makes harm reach to whoever He willed.
The Distresser , The afflictor, the bringer of Adversity.

An-Nafi'
The One who gives benefits to whoever He wills.
The Beneficialm Benefactor

An-Nur
The One who guides.
The Light

Al-Hadi
The One whom with His Guidance His belivers were guided, and with His Guidance the living beings have been guided to what is beneficial or them and protected from what is harmful to them.
The Guide

Al-Badi'
The One who created the creation and formed it without any preceding example.
The Wonderful, the maker, Incomparable

Al-Baqi
The One that the state of non-existence is impossible for Him.
The Enduring, the Everlasting, the eternal

Al-Warith
The One whose Existence remains.
The Inheritor, The Heir

Ar-Rashid
The One who guides.
The Rightly Guided, The Concious, the Guide

As-Sabur
The One who does not quickly punish the sinners.
The most Patient, the Enduring.

Malik Al-Mulk
The One who controls the Dominion and gives dominion to whoever He willed.
The Ruler of the Kingdom, king of the Universe

Zul-l-Jalal wal-Ikram
The One who deserves to be Exalted and not denied.
Lord of Majesty and Generosity