Frontīnus (noun M) :
* A Roman surname. So esp., Sex. Julius Frontinus, superintendent of the Roman aqueducts under Nerva, in the latter half of the first century of the Christian era; author of the works De Aquis Urbis Romae, Strategetica, De Agrorum Qualitate, and De Limitibus Agrorum, Tac. H. 4, 39; id. Agr. 17; Mart. 10, 48, 20; Plin. Ep. 4, 8, 3; 5, 1, 5; 9, 19, 1; v. Teuffel, Röm. Lit. § 322.

Male Personal name
Confirmed occurences in the Roman Empire:

• L. Aemilius Fron... L. Aemilius Frontinus (Masc, senator), ref: PIR A 0345 | PIR ID985
• Aemilius Frontinus (Masc, senator), ref: PIR A 0348 | PIR ID987
• L. Aemilius .. F. Quirina Frontinus Fronto (Masc, senator), ref: PIR A 0346 | PIR ID1039
• C. Arrius Calpurnius Frontinus Honoratus (Masc, senator), ref: PIR A 1095 | PIR ID1964
• Aurelius Frontinus (Masc, eques), ref: III 3525 | PIR ID2538
• L. Caesius Frontinus (Masc), ref: AE 1949, 96 | PIR ID3335
• Calpurnius Frontinus (Masc, senator), ref: PIR C 0269 | PIR ID3449
• P. Calvisius Ruso Iulius Frontinus (Masc, senator), ref: PIR C 0350 | PIR ID3540
• Ti. Claudius Frontinus (Masc, senator), ref: PIR C 0872 | PIR ID4293
• Ti. Claudius Frontinus Niceratus (Masc, senator), ref: PIR C 0873 | PIR ID4294
• Ti. Claudius Saethida Cethegus Frontinus (Masc, senator), ref: PIR C 1005 | PIR ID4467
• T. Flavius Frontinus Heraclius (Masc), ref: PIR F 0274a | PIR ID6088
• Frontinus (Masc), ref: PIR F 0484 | PIR ID6328
• Sex. Iulius Frontinus (Masc, senator), ref: PIR I 0322 | PIR ID7509
• Iulius Frontinus (Masc), ref: PIR I 0321 | PIR ID7510
• Q. Maesius Frontinus Clodianus (Masc, senator), ref: PIR M 0076 | PIR ID8714
• Q. Pompeius Senecio Roscius Murena Coelius Sex. Iulius Frontinus Silius Decianus C. Iulius Eurycles Herculaneus L. Vibullius Pius Augustanus Alpinus Bellicius Sollers Iulius Acer Ducenius Proculus Rutilianus Rufinus Silius Valens Valerius Niger Cl. Fuscus Saxa Amyntianus Sosius Priscus (Masc, senator), ref: PIR P 0651 | PIR ID10736
• ...ront... ... Frontinus ... (Masc, senator), ref: AE 1987, 947 | PIR ID11449
• L. Valerius Frontinus (Masc), ref: AE 1986, 668 | PIR ID13840
• Valerius Frontinus (Masc), ref: Wilcken Chrestomathie n. 417 | PIR ID13841
• Q. Valerius Lupercus Iulius Frontinus (Masc, senator), ref: PIR V1 0070 | PIR ID13874