The word(s) "whomsoever" appears 30 time(s) in 25 verse(s) in Quran in Muhammad Habib Shakir translation.

(11) whomsoever Allah causes to err, there is no guide for him; and He leaves them alone in their inordinacy, blindly wandering on.

(12) So he began with their sacks before the sack of his brother, then he brought it out from his brother's sack. Thus did We plan for the sake of Yusuf; it was not (lawful) that he should take his brother under the king's law unless Allah pleased; We raise the degrees of whomsoever We please, and above every one possessed of knowledge is the All-knowing one.

(13) Whoever desires this present life, We hasten to him therein what We please for whomsoever We desire, then We assign to him the hell; he shall enter it despised, driven away.

(14) And beguile whomsoever of them you can with your voice, and collect against them your forces riding and on foot, and share with them in wealth and children, and hold out promises to them; and the Shaitan makes not promises to them but to deceive:

(15) And whomsoever Allah guides, he is the follower of the right way, and whomsoever He causes to err, you shall not find for him guardians besides Him; and We will gather them together on the day of resurrection on their faces, blind and dumb and deaf; their abode is hell; whenever it becomes allayed We will add to their burning.

(16) And you might see the sun when it rose, decline from their cave towards the right hand, and when it set, leave them behind on the left while they were in a wide space thereof. This is of the signs of Allah; whomsoever Allah guides, he is the rightly guided one, and whomsoever He causes to err, you shall not find for him any friend to lead (him) aright.

(17) Eat of the good things We have given you for sustenance, and be not inordinate with respect to them, lest My wrath should be due to you, and to whomsoever My wrath is due be shall perish indeed.

(18) Do you not see that Allah is He, Whom obeys whoever is in the heavens and whoever is in the earth, and the sun and the moon and the stars, and the mountains and the trees, and the animals and many of the people; and many there are against whom chastisement has become necessary; and whomsoever Allah abases, there is none who can make him honorable; surely Allah does what He pleases.

(19) Or like utter darkness in the deep sea: there covers it a wave above which is another wave, above which is a cloud, (layers of) utter darkness one above another; when he holds out his hand, he is almost unable to see it; and to whomsoever Allah does not give light, he has no light.

(20) And whomsoever We cause to live long, We reduce (him) to an abject state in constitution; do they not then understand?