"The most beautiful names belong to God: so call on Him by them;..." (7:180)
these are 99 names:
Allah, He who has the Godhood which is the power to create the entities.
The Compassionate, The Beneficient, 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 Merciful, The One who has plenty of mercy for the believers.
The King, The Sovereign Lord, The One with the complete Dominion, the One Whose Dominion is clear from imperfection.
you can read all the rest names here: