The word(s) "sign" appears 461 time(s) in 421 verse(s) in Quran in Abdullah Yusuf Ali translation.

(371) But when he came to them with Our signs, behold they ridiculed them.

(372) We showed them sign after sign, each greater than its fellow, and We seized them with Punishment, in order that they might turn (to Us).

(373) And (Jesus) shall be a sign (for the coming of) the Hour (of Judgment): therefore have no doubt about the (Hour), but follow ye Me: this is a Straight Way.

(374) When Jesus came with Clear signs, he said: "Now have I come to you with Wisdom, and in order to make clear to you some of the (points) on which ye dispute: therefore fear Allah and obey me.

(375) (Being) those who have believed in Our signs and bowed (their wills to Ours) in Islam.

(376) And granted them signs in which there was a manifest trial

(377) Verily in the heavens and the earth, are signs for those who believe.

(378) And in the creation of yourselves and the fact that animals are scattered (through the earth), are signs for those of assured Faith.

(379) And in the alternation of Night and Day, and the fact that Allah sends down Sustenance from the sky, and revives therewith the earth after its death, and in the change of the winds,- are signs for those that are wise.

(380) Such are the signs of Allah, which We rehearse to thee in Truth; then in what exposition will they believe after (rejecting) Allah and His signs?