Ik Onkar :: All is One

SOME  OF THE SIKH NAMES OF GOD

Akal Purakh :: Timeless Primal Being (Literally Timeless Being that never dies)

Ek Onkar :: One Creator

Sat Nam :: True Name

Waheguru :: Wonderful Teacher

Bhao Khandan :: Destroyer of Fear

Dukh Bhanjno :: Dispeller of Pain

Bhagat Vachhal :: Lover of His Saints

Hari :: Glowing, Shining, Vitalizing (Absolute Name of God)

Govinda :: Preserver of the World

Bhagavan :: Lord or Supreme Being

Rabh

Allah :: God in Arabic

Uppar Valah

Malik

(from Sikhi Wiki)

The Opening Words of the Guru Granth

(from Sikh Chic)

Ik Onkar :: All is One

Sat Naam :: Truth is the Name

Karta Purakh :: Primal Creator

Nirbhau :: Without Fear

Nirvair :: Without Enmity

Akaal Moorat :: Timeless

Ajauni :: Unborn

Saibhang :: Self-Existent

GurParsad :: Grace

Aad Sach :: Truth Before Time

Jugaad Sach :: Truth Throughout Time

Hai-bhi Sach :: Truth Here and Now

Hosi-bhi Sach :: Truth Evermore