| _Contra Academicos_ | 386/7 | Against the Academics | | | | | | |
| De Ordine | 386/7[ | On Order | | | | | | |
| De immortalitate animae | 386/7 | On the Immortality of the Soul | | | | | | |
| Soliloquiorum libri duo | 386/7 | Soliloquies | | | | | | |
| De Dialectica | 387 | _On Dialectic | | | | | | |
| De animae quantitate | 388 | On the Magnitude of the Soul | | | | | | |
| De moribus ecclesiae catholicae et de moribus Manichaeorum | 388–389 | On the Morals of the Catholic Church and on the Morals of the Manichaeans | | | | | | |
| De musica | 388-390 | On Music | | | | | | |
| De magistro | 388–391 | On the Teacher | | | | | | |
| De libero arbitrio | 388-395 | On Free Choice of the Will | | | | | | |
| De utilitate credendi | 391–392 | On the Profit of Believing | | | | | | |
| De duabus animabus [contra Manichaeos] | 391–392 | On Two Souls, Against the Manichaeans | | | | | | |
| [Acta] contra Fortunatum [Manichaeum] | 392 | Acts or Disputation Against Fortunatus the Manichaean | | | | | | |
| Enarrationes in Psalmos | 392–422 | Enarrations, or Expositions, on the Psalms | | | | | | |
| De fide et symbolo | 393 | On Faith and the Creed | | | | | | |
| De genesi ad litteram imperfectus liber | 393/4 | The Incomplete Literal Meaning of Genesis | | | | | | |
| De sermone Domini in monte | 394 | Our Lord's Sermon on the Mount | | | | | | |
| De diversis quaestionibus octaginta tribus | 395 | On eighty-three various questions | | | | | | |
| De mendacio | 395 | On Lying | | | | | | |
| Contra epistulam Manichaei quam vocant fundamenti | 396–397 | Against the Epistle of Manichaeus Called Fundamental | | | | | | |
| De agone Christiano | 396–397 | The Christian Combat | | | | | | |
| De doctrina Christiana | 396/7–426/7 | On Christian Doctrine | | | | | | |
| _Confessiones | 397–400 | Confessions | | | | | | |
| De natura boni contra Manichaeos | 399 | Concerning the Nature of Good, Against the Manichaeans | | | | | | |
| De catechizandis rudibus | 399 | On the Catechising of the Uninstructed | | | | | | |
| De trinitate | 399–419 or 426 | On the Trinity | | | | | | |
| De fide rerum invisibilium | 400 | Concerning Faith of Things Not Seen | | | | | | |
| De opere monachorum | 400 | On the Work of Monks | | | | | | |
| Contra Faustum [Manichaeum] | 400 | Reply to Faustus the Manichaean | | | | | | |
| De consensu evangelistarum | 400 | On the Harmony of the Evangelists | | | | | | |
| De bono coniugali | 401 | On the Good of Marriage | | | | | | |
| De sancta virginitate | 401 | On Holy Virginity | | | | | | |
| De Genesi ad litteram | 401/2–416 | Literal Commentary on Genesis | | | | | | |
| Contra litteras Petiliani | 401–405 | Answer to the Letters of Petilian, Bishop of Cirta | | | | | | |
| De baptismo [contra Donatistas] | 404 | On Baptism, Against the Donatists | | | | | | |
| In Iohannis evangelium tractatus | 406–420 | Treatises on the Gospel of John | | | | | | |
| In Epistolam Joannis Ad Parthos Tractatus Decem | 407 | Homilies on the First Epistle of John | | | | | | |
| De peccatorum meritis et remissione et de baptismo parvulorum | 412 | On Merits and Remission of Sin, and Infant Baptism | | | | | | |
| De spiritu et littera | 412 | On the Spirit and the Letter | | | | | | |
| De videndo Deo | 412–413 | On Seeing God | | | | | | |
| De civitate Dei | 412–426 | The City of God | | | | | | |
| De natura et gratia | 413–417 | On Nature and Grace | | | | | | |
| De bono viduitatis | 414 | On the Good of Widowhood | | | | | | |
| De patientia | 415–417 | On Patience | | | | | | |
| De perfectione iustitiae hominis | 416 | On Man's Perfection in Righteousness | | | | | | |
| De gestis Pelagii | 417/8 | On the Proceedings of Pelagius | | | | | | |
| De correctione Donatistarum | 417 | The Correction of the Donatists | | | | | | |
| De gratia Christi et de peccato originali | 418 | On the Grace of Christ, and on Original Sin | | | | | | |
| De continentia | 418–420 | On Continence | | | | | | |
| De anima et eius origine | 419/21 | On the Soul and its Origin | | | | | | |
| De nuptiis et concupiscientia | 419–420 | On Marriage and Concupiscence | | | | | | |
| Contra mendacium [ad Consentium] | 420 | To Consentius: Against Lying | | | | | | |
| Contra duas epistulas Pelagianorum | 420 | Against Two Letters of the Pelagians | | | | | | |
| Enchiridion ad Laurentium, seu de fide, spe et caritate | 421 | Enchiridion on Faith, Hope and Love | | | | | | |
| De cura pro mortuis gerenda | 422 | On Care to be Had For the Dead | | | | | | |
| De gratia et libero arbitrio | 424–427 | On Grace and Free Will | | | | | | |
| De symbolo ad catechumenos | 425[ | On the Creed: A Sermon to Catechumens | | | | | | |
| De correptione et gratia | 426/7 | On Rebuke and Grace | | | | | | |
| Retractationes | 426–427 | Retractations | | | | | | |
| De haeresibus ad Quodvultdeum | 428/9 | To Quodvultdeus, On Heresies | | | | | | |
| De praedestinatione sanctorum | 428/9 | On the Predestination of the Saints | | | | | | |
| De dono perseverantiae | 428/9 | On the Gift of Perseverance | | | | | | |
| Contra Iulianum opus imperfectum libri sex | 430 (died while writing) | Unfinished Work in Answer to Julian | | | | | | |