The word(s) "witness" appears 134 time(s) in 104 verse(s) in Quran in Muhammad Habib Shakir translation.

(71) He said: This shall be (an agreement) between me and you; whichever of the two terms I fulfill, there shall be no wrongdoing to me; and Allah is a witness of what we say.

(72) And you were not on the western side when We revealed to Musa the commandment, and you were not among the witnesses;

(73) And We will draw forth from among every nation a witness and say: Bring your proof; then shall they know that the truth is Allah's, and that which they forged shall depart from them.

(74) Say: Allah is sufficient as a witness between me and you; He knows what is in the heavens and the earth. And (as for) those who believe in the falsehood and disbelieve in Allah, these it is that are the losers.

(75) O Prophet! surely We have sent you as a witness, and as a bearer of good news and as a warner,

(76) There is no blame on them in respect of their fathers, nor their brothers, nor their brothers' sons, nor their sisters' sons nor their own women, nor of what their right hands possess; and be careful of (your duty to) Allah; surely Allah is a witness of all things.

(77) Say: Whatever reward I have asked of you, that is only for yourselves; my reward is only with Allah, and He is a witness of all things.

(78) On that day We will set a seal upon their mouths, and their hands shall speak to Us, and their feet shall bear witness of what they earned.

(79) Or did We create the angels females while they were witnesses?

(80) And the earth shall beam with the light of its Lord, and the Book shall be laid down, and the prophets and the witnesses shall be brought up, and judgment shall be given between them with justice, and they shall not be dealt with unjustly.