The trust said it was a serious matter and had handed it over to the police to resolve.
"As Trustees, we are sad at what has occurred and are determined that due process will see our whakaahua returned in a prompt and safe manner by those involved," the post read.
E te Iwi
Early this morning, paintings of Maniapoto tūpuna were taken from our Board room without knowledge of the...
Posted by Maniapoto Māori Trust Board on Monday, August 22, 2016
One disbelieving woman posted that paintings from her family had been taken in the haul.
Posted Missy Te Kanawa: "These fullas took everyone's lines including our Nans - surreal stuff."
Sheena Maru said the paintings held special significance to all meeting in the room.
"Every time I've sat amongst hui in the MMTB Boardroom I was always mesmerised by those whakaahua. So much strength, determination and inspiration were captured - you could feel them amongst the korero. Kia kaha! Thoughts are with your Board and kaimahi."