Search for missing Mickleham teen

Niahana was last seen at her Mickleham home on January 9. (Supplied)

Police are appealing for helping finding a teenager who has been missing from her Mickleham home since the weekend.

Niahana was last seen at home about 11.30am on January 9.

Police and family have concerns for Niahana as her disappearance is out of character.

Investigators have released an image of Niahana in the hope someone recognises her and can provide information regarding her current whereabouts.

Anyone who sees Niahana is urged to call Craigieburn Police Station on 9303 4404.