Hilkiah in the Bible

1. Officer of Hezekiah

2 Kings 18:18 And when they had called to the king, there came out to them Eliakim the son of Hilkiah, which was over the household, and Shebna the scribe, and Joah the son of Asaph the recorder.
2 Kings 18:26 Then said Eliakim the son of Hilkiah, and Shebna, and Joah, unto Rabshakeh, Speak, I pray thee, to thy servants in the Syrian language; for we understand it: and talk not with us in the Jews' language in the ears of the people that are on the wall.
2 Kings 18:37 Then came Eliakim the son of Hilkiah, which was over the household, and Shebna the scribe, and Joah the son of Asaph the recorder, to Hezekiah with their clothes rent, and told him the words of Rabshakeh.
Isaiah 22:20 And it shall come to pass in that day, that I will call my servant Eliakim the son of Hilkiah:
Isaiah 36:3 Then came forth unto him Eliakim, Hilkiah's son, which was over the house, and Shebna the scribe, and Joah, Asaph's son, the recorder.
Isaiah 36:22 Then came Eliakim, the son of Hilkiah, that was over the household, and Shebna the scribe, and Joah, the son of Asaph, the recorder, to Hezekiah with their clothes rent, and told him the words of Rabshakeh.

⇒Bible Encyclopedia for HILKIAH.

2. High priest

2 Kings 22:4 Go up to Hilkiah the high priest, that he may sum the silver which is brought into the house of the LORD, which the keepers of the door have gathered of the people:
2 Kings 22:8 And Hilkiah the high priest said unto Shaphan the scribe, I have found the book of the law in the house of the LORD. And Hilkiah gave the book to Shaphan, and he read it.
2 Kings 22:10 And Shaphan the scribe shewed the king, saying, Hilkiah the priest hath delivered me a book. And Shaphan read it before the king.
2 Kings 22:12 And the king commanded Hilkiah the priest, and Ahikam the son of Shaphan, and Achbor the son of Michaiah, and Shaphan the scribe, and Asahiah a servant of the king's, saying,
2 Kings 22:14 So Hilkiah the priest, and Ahikam, and Achbor, and Shaphan, and Asahiah, went unto Huldah the prophetess, the wife of Shallum the son of Tikvah, the son of Harhas, keeper of the wardrobe; (now she dwelt in Jerusalem in the college;) and they communed with her.
2 Kings 23:4 And the king commanded Hilkiah the high priest, and the priests of the second order, and the keepers of the door, to bring forth out of the temple of the LORD all the vessels that were made for Baal, and for the grove, and for all the host of heaven: and he burned them without Jerusalem in the fields of Kidron, and carried the ashes of them unto Bethel.
2 Kings 23:24 Moreover the workers with familiar spirits, and the wizards, and the images, and the idols, and all the abominations that were spied in the land of Judah and in Jerusalem, did Josiah put away, that he might perform the words of the law which were written in the book that Hilkiah the priest found in the house of the LORD.
1 Chronicles 6:13 And Shallum begat Hilkiah, and Hilkiah begat Azariah,
1 Chronicles 9:11 And Azariah the son of Hilkiah, the son of Meshullam, the son of Zadok, the son of Meraioth, the son of Ahitub, the ruler of the house of God;
2 Chronicles 34:9 And when they came to Hilkiah the high priest, they delivered the money that was brought into the house of God, which the Levites that kept the doors had gathered of the hand of Manasseh and Ephraim, and of all the remnant of Israel, and of all Judah and Benjamin; and they returned to Jerusalem.
2 Chronicles 34:14-15 And when they brought out the money that was brought into the house of the LORD, Hilkiah the priest found a book of the law of the LORD given by Moses. 15 And Hilkiah answered and said to Shaphan the scribe, I have found the book of the law in the house of the LORD. And Hilkiah delivered the book to Shaphan.
2 Chronicles 34:18 Then Shaphan the scribe told the king, saying, Hilkiah the priest hath given me a book. And Shaphan read it before the king.
2 Chronicles 34:20 And the king commanded Hilkiah, and Ahikam the son of Shaphan, and Abdon the son of Micah, and Shaphan the scribe, and Asaiah a servant of the king's, saying,
2 Chronicles 34:22 And Hilkiah, and they that the king had appointed, went to Huldah the prophetess, the wife of Shallum the son of Tikvath, the son of Hasrah, keeper of the wardrobe; (now she dwelt in Jerusalem in the college:) and they spake to her to that effect.
Ezra 7:1 Now after these things, in the reign of Artaxerxes king of Persia, Ezra the son of Seraiah, the son of Azariah, the son of Hilkiah,
Jeremiah 29:3 By the hand of Elasah the son of Shaphan, and Gemariah the son of Hilkiah, (whom Zedekiah king of Judah sent unto Babylon to Nebuchadnezzar king of Babylon) saying,

3. Name of two Levites

1 Chronicles 6:45 The son of Hashabiah, the son of Amaziah, the son of Hilkiah,
1 Chronicles 26:11 Hilkiah the second, Tebaliah the third, Zechariah the fourth: all the sons and brethren of Hosah were thirteen.

4. Two priests

Nehemiah 8:4 And Ezra the scribe stood upon a pulpit of wood, which they had made for the purpose; and beside him stood Mattithiah, and Shema, and Anaiah, and Urijah, and Hilkiah, and Maaseiah, on his right hand; and on his left hand, Pedaiah, and Mishael, and Malchiah, and Hashum, and Hashbadana, Zechariah, and Meshullam.
Nehemiah 12:7 Sallu, Amok, Hilkiah, Jedaiah. These were the chief of the priests and of their brethren in the days of Jeshua.
Nehemiah 12:21 Of Hilkiah, Hashabiah; of Jedaiah, Nethaneel.
Jeremiah 1:1 The words of Jeremiah the son of Hilkiah, of the priests that were in Anathoth in the land of Benjamin: