The Sidonians were:

Phoenicians
Deuteronomy 3:9 - ([Which] Hermon the Sidonians call Sirion; and the Amorites call it Shenir;)
Judges 3:3 - [Namely], five lords of the Philistines, and all the Canaanites, and the Sidonians, and the Hivites that dwelt in mount Lebanon, from mount Baalhermon unto the entering in of Hamath.
Judges 10:12 - The Zidonians also, and the Amalekites, and the Maonites, did oppress you; and ye cried to me, and I delivered you out of their hand.
1 Kings 5:6 - Now therefore command thou that they hew me cedar trees out of Lebanon; and my servants shall be with thy servants: and unto thee will I give hire for thy servants according to all that thou shalt appoint: for thou knowest that [there is] not among us any that can skill to hew timber like unto the Sidonians.

People of Hiram, King of Tyre
1 Kings 11:1 - But king Solomon loved many strange women, together with the daughter of Pharaoh, women of the Moabites, Ammonites, Edomites, Zidonians, [and] Hittites;
1 Kings 11:33 - Because that they have forsaken me, and have worshipped Ashtoreth the goddess of the Zidonians, Chemosh the god of the Moabites, and Milcom the god of the children of Ammon, and have not walked in my ways, to do [that which is] right in mine eyes, and [to keep] my statutes and my judgments, as [did] David his father.
1 Kings 16:31 - And it came to pass, as if it had been a light thing for him to walk in the sins of Jeroboam the son of Nebat, that he took to wife Jezebel the daughter of Ethbaal king of the Zidonians, and went and served Baal, and worshipped him.

Ethbaal was King of Tyre

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Sidonians in Bible Cities
More about Ancient Sidonians

More About Ancient Sidonians

Sidonians Scriptures

1 Kings 5:6 - Now therefore command thou that they hew me cedar trees out of Lebanon; and my servants shall be with thy servants: and unto thee will I give hire for thy servants according to all that thou shalt appoint: for thou knowest that [there is] not among us any that can skill to hew timber like unto theSidonians.

Judges 3:3 - [Namely], five lords of the Philistines, and all the Canaanites, and the Sidonians, and the Hivites that dwelt in mount Lebanon, from mount Baalhermon unto the entering in of Hamath.

Deuteronomy 3:9 - ([Which] Hermon the Sidonians call Sirion; and the Amorites call it Shenir;)

Joshua 13:6 - All the inhabitants of the hill country from Lebanon unto Misrephothmaim, [and] all the Sidonians, them will I drive out from before the children of Israel: only divide thou it by lot unto the Israelites for an inheritance, as I have commanded thee.

Joshua 13:4 - From the south, all the land of the Canaanites, and Mearah that [is] beside the Sidonians, unto Aphek, to the borders of the Amorites: