House Harroway is an extinct noble house of the Riverlands. Their sigil was: per bend sinister orange and black rayonne, a castle countercharged.
House Harroway appear to have been a successful and honoured house of the Riverlands. Lord Harroway's Town is presumably named for them, and may have been founded by a prior Lord Harroway. After the downfall of House Towers, they were granted the lordship of Harrenhal, the third house to rule the castle after the Targaryen conquest, but like every other house to hold the castle, they were met by disaster and have long since died off. They were succeeded as masters of Harrenhal by House Strong.