Lucius Plautius Lamia Silvanus (c. 110 – aft. 145) was a Roman senator.

Life He was suffect consul for the nundinium of March-April 145 with Lucius Poblicola Priscus as his colleague.Werner Eck, "Die Fasti consulares der Regierungszeit des Antoninus Pius, eine Bestandsaufnahme seit Géza Alföldys Konsulat und Senatorenstand" in Studia epigraphica in memoriam Géza Alföldy, hg. W. Eck, B. Feher, and P. Kovács (Bonn, 2013), p. 74

Silvanus was the son of Lucius Fundanius Lamia Aelianus and his wife Rupilia. According to the Historia Augusta, Silvanus married Aurelia Fadilla (died 135), daughter of Antoninus Pius and Faustina the Elder.Historia Augusta, Antoninus Pius 1.7; translated by Anthony Birley, Lives of the Later Caesars (Harmondsworth: Penguin, 1976), p. 96 The marriage is generally accepted as real,Levick, Barbara (2014). Faustina I and II: Imperial Women of the Golden Age. Women in Antiquity. Oxford: Oxford University Press. XI, 248. though probably childless.Kiest, Dietmar (1990). Römische Kaisertabelle: Grundzüge einer römischen Kaiserchronologie , Darmstadt, p. 135.Magie, David (1921). Historia Augusta, Life of Antoninus Pius, Note 7.

Also according to the Historia Augusta, the wife of Gordian I was a Roman woman called , born circa 165, whom the Historia Augusta claims was a descendant of emperors Antoninus Pius and Marcus Aurelius through her father Fulvus Antoninus.Historia Augusta, The Three Gordians, 17.4 Modern historians have dismissed this name and her information as false. His wife died before 238. Christian Settipani tentatively identified her parents as Marcus Annius Severus, who was a suffect consul, and his wife Silvana, born circa 140, who he argues was the daughter of Silvanus and Fadilla.

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