Gottskálk grimmi Nikulásson
|Bishop of Holar|
|Term ended||8 December 1520|
|Opposed to||Jón Arason|
|Died||1520 (aged 50–51)|
Gottskálk grimmi Nikulasson (1469 – 8 December 1520), was the Bishop of Hólar from the year 1496 to 1520. He was the nephew of Ólafur Rögnvaldsson who preceded him as bishop. He was succeeded by Jón Arason (1484–1550), the last Roman Catholic bishop in Iceland. 
- Ragnar Geir Brynjólfsson. "Jón Arason í vitund Íslendinga". kirkju.net. Retrieved November 1, 2019.
- "Rauðskinna: The Famous Icelandic Book of Black Magic". Ancient Origins. Retrieved November 1, 2019.
- Páll Eggert Ólason (1948) Íslenskar æviskrár (Hið íslenska bókmenntafélag)