In the King James version

the word - Ahijah - appears 20 times

1. 1 Kin 11:29 And it came to pass at that time when Jeroboam went out of Jerusalem, that the prophet Ahijah the Shilonite found him in the way; and he had clad himself with a new garment; and they two were alone in the field:
2. 1 Kin 11:30 And Ahijah caught the new garment that was on him, and rent it in twelve pieces:
3. 1 Kin 12:15 Wherefore the king hearkened not unto the people; for the cause was from the LORD, that he might perform his saying, which the LORD spake by Ahijah the Shilonite unto Jeroboam the son of Nebat.
4. 1 Kin 14:2 And Jeroboam said to his wife, Arise, I pray thee, and disguise thyself, that thou be not known to be the wife of Jeroboam; and get thee to Shiloh: behold, there is Ahijah the prophet, which told me that I should be king over this people.
5. 1 Kin 14:4 And Jeroboam's wife did so, and arose, and went to Shiloh, and came to the house of Ahijah. But Ahijah could not see; for his eyes were set by reason of his age.
6. 1 Kin 14:5 And the LORD said unto Ahijah, Behold, the wife of Jeroboam cometh to ask a thing of thee for her son; for he is sick: thus and thus shalt thou say unto her: for it shall be, when she cometh in, that she shall feign herself to be another woman.
7. 1 Kin 14:6 And it was so, when Ahijah heard the sound of her feet, as she came in at the door, that he said, Come in, thou wife of Jeroboam; why feignest thou thyself to be another? For I am sent to thee with heavy tidings.
8. 1 Kin 14:18 And they buried him; and all Israel mourned for him, according to the word of the LORD, which he spake by the hand of his servant Ahijah the prophet.
9. 1 Kin 15:27 And Baasha the son of Ahijah, of the house of Issachar, conspired against him; and Baasha smote him at Gibbethon, which belonged to the Philistines; for Nadab and all Israel laid siege to Gibbethon.
10. 1 Kin 15:29 And it came to pass, when he reigned, that he smote all the house of Jeroboam; he left not to Jeroboam any that breathed, until he had destroyed him, according unto the saying of the LORD, which he spake by his servant Ahijah the Shilonite:
11. 1 Kin 15:33 In the third year of Asa king of Judah began Baasha the son of Ahijah to reign over all Israel in Tirzah, twenty and four years.
12. 1 Kin 21:22 And will make thine house like the house of Jeroboam the son of Nebat, and like the house of Baasha the son of Ahijah, for the provocation wherewith thou hast provoked me to anger, and made Israel to sin.
13. 2 Kin 9:9 And I will make the house of Ahab like the house of Jeroboam the son of Nebat, and like the house of Baasha the son of Ahijah:
14. 1 Chr 2:25 And the sons of Jerahmeel the firstborn of Hezron were, Ram the firstborn, and Bunah, and Oren, and Ozem, and Ahijah.
15. 1 Chr 11:36 Hepher the Mecherathite, Ahijah the Pelonite,
16. 1 Chr 26:20 And of the Levites, Ahijah was over the treasures of the house of God, and over the treasures of the dedicated things.
17. 2 Chr 9:29 Now the rest of the acts of Solomon, first and last, are they not written in the book of Nathan the prophet, and in the prophecy of Ahijah the Shilonite, and in the visions of Iddo the seer against Jeroboam the son of Nebat?
18. 2 Chr 10:15 So the king hearkened not unto the people: for the cause was of God, that the LORD might perform his word, which he spake by the hand of Ahijah the Shilonite to Jeroboam the son of Nebat.
19. Neh 10:26 And Ahijah, Hanan, Anan,

It was Ahijah who Prophesied Against Jeroboam.

At that time Abijah son of Jeroboam became ill, and Jeroboam said to his wife, "Go, disguise yourself, so you won't be recognized as the wife of Jeroboam. Then go to Shiloh. Ahijah the prophet is there-the one who told me I would be king over this people.

-1 Kings 14:1-2-