Gaius Flavius Valerius Aurelius Constantinus (), kang lazim dikenal minangka Konstantin I, Konstantin Agung, utawa (antarané wong Kristen Ortodoks Timur lan Katulik Timur)Santo Konstantin, iku sawijining Kaisar Romawi, kang dinyatakaké minangka Augustus déning wadyabala-pasukané ing tanggal 25 Juli 306 lan kang maréntah atas pérangan Kakaisaran Romawi kang terus-menerus tuwuh nganti sédané.

Cathetan 

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Uga delengen 
 Ammianus Marcellinus
 Gapura Konstantin, gapura kemenangan menuju kemenangan di Kreteg Milvian.
 Pergeseran Konstantin
 Sumbangan Konstantin
 Donatis

Pranala njaba 

 The Edict of Milan AD 313
 Letters of Constantine: Book 1, Book 2, & Book 3
 RomanEmperors.org Vita of Constantine; dengan bibliografi
 Ammianus Marcellinus on-line project
 12 Byzantine Rulers  olèh Lars Brownworth dari Stony Brook School (kelas 7-12). kuliah audio 40 menit tentang Konstantin.
 Constantine I dalam Encyclopædia Britannica 1911 
 Constantine the Great Situs tentang Konstantin Agung dan mata uang perunggunya yang menekankan sajarah dari mata uang, dengan banyak sumber kalebu pérangan belakangnya sarta pertalan tulisannya. 
 Situs BBC North Yorkshire tentang Roman York, Yorkshire dan Constantine the Great

Rujukan lan wacan 
 Ancient History
 Chuvin, Pierre, B. A. Archer, translator, A Chronicle of the Last Pagans, Harvard, 1990. ISBN 0-674-12970-9
 Dodds, Eric Robertson, The Greeks and the Irrational, University of California, 1964.
 Dodds, Eric Robertson, Pagan and Christian in an Age of Anxiety: Some Aspects of the Religious Experience from Marcus Aurelius to Constantine, Cambridge, 1965.
 Jones, A.H.M. Constantine and the Conversion of Europe. London: English University Press, 1948; London: Macmillan, 1949.
 MacMullen, Ramsay, Constantine, Dial Press, 1969.
 MacMullen, Ramsay, Christianizing the Roman Empire A.D. 100-400, Yale, 1984.
 MacMullen, Ramsay, Changes in the Roman Empire: Essays in the Ordinary, Princeton, 1990.
 MacMullen, Ramsay, Enemies of the Roman Order: Treason, Unrest, and Alienation, Harvard, 1966.
 Odahl, Charles Matson, Constantine and the Christian Empire, Routledge, 2004.
 Wilken, Robert L., Christians As the Romans Saw Them, Yale, 1984
 Eusebius of Caesarea, The Life of the blessed Emperor Constantine 4 jilid, dari 306 hingga 337.
 Encyclopaedia Britannica 1911: Constantine
 Lactantius, (240-320) Of the Manner the in Which the Persecutors Died,
 "Constantine the Great", olèh Charles G. Herbermann and Georg Grupp. The Catholic Encyclopedia (1908)
 "Donatists", olèh John Chapman. The Catholic Encyclopedia (1909)
 Sources on the Antonine Plague
 Galen, On the Natural Faculties
 Marcus Cornelius Fronto, Letters of Marcus Cornelius Fronto
 Vlassis R. Rassias, Es Edafos Ferein, edisi ke-2, Athens, 2000, ISBN 960-7748-20-4

Kaisar Romawi
Santo lan Santa