Martinus Hamconius

{{Infobox writer

| image = Martinus Hamconius.jpg

| caption = Portrait by Arnoud van Halen, {{circa|1700}}

| birth_name = Maarten Hamckema

| birth_date = {{circa|1550}}

| birth_place = Follega, Friesland

| death_date = {{death year and age|1620|1550}}

| pseudonym = Martinus Hamconius

| occupation = Writer, poet, historian

| nationality = Dutch

}}

Maarten Hamckema ({{circa|1550}} in Follega – 1620), sometimes anglicized as Marten Hamkes and mainly known by his pen name Martinus Hamconius, was a Frisian writer, poet and historian best known for his apocryphal history books on the Kingdom of Frisia.{{Cite book |last1=Ridder-Symoens |first1=Hilde De |url=https://books.google.com/books?id=5as7lUR44UAC |title=Education and learning in the Netherlands, 1400-1600 [electronic resource]: essays in honour of Hilde de Ridder-Symoens |last2=Goudriaan |first2=Koen |last3=Moolenbroek |first3=J. J. Van |last4=Tervoort |first4=Ad |date=2004 |publisher=BRILL |isbn=978-90-04-13644-1 |pages=301–302 |language=en}}{{Cite book |last=True |first=Micah |url=https://books.google.com/books?id=xEOxDwAAQBAJ |title=The Jesuit Pierre-François-Xavier de Charlevoix's (1682–1761) Journal of a Voyage in North America: An Annotated Translation |date=2019-09-16 |publisher=BRILL |isbn=978-90-04-40864-7 |pages=40 |language=en}}