| CHRISTIAN CHURCH OF GOD PENTECOSTALLocation not reported, CT · Active | Location not reported, CT | Corporation | May 12, 1961 | Active |
| CHRISTIAN REVIVAL CHURCH, INC.Location not reported, CT · Active | Location not reported, CT | Corporation | Jan 26, 1971 | Active |
| CHRIST'S CHURCH OF COMPASSION, INCORPORATEDLocation not reported, CT · Active | Location not reported, CT | Corporation | Nov 17, 1976 | Active |
| CONGREGATIONAL CHRISTIAN CORPORATION FOR THE AGING INCORPORATED,THELocation not reported, CT · Dissolved | Location not reported, CT | Corporation | Mar 11, 1957 | Dissolved |
| EMMANUEL GOSPEL TEMPLE INC.Location not reported, CT · Active | Location not reported, CT | Corporation | Dec 5, 1967 | Active |
| FIRST CHURCH OF GOD, INC. HARTFORD, CONNECTICUTLocation not reported, CT · Active | Location not reported, CT | Corporation | Dec 29, 1967 | Active |
| FIRST CHURCH OF NATURAL THEOLOGY, THELocation not reported, CT · Active | Location not reported, CT | Other | Nov 22, 1976 | Active |
| FRIENDSHIP BAPTIST CHURCHLocation not reported, CT · Active | Location not reported, CT | Corporation | Apr 9, 1959 | Active |
| GOSPEL MISSION INDEPENDENT CHURCH, THELocation not reported, CT · Active | Location not reported, CT | Corporation | Nov 20, 1968 | Active |
| GRACE TABERNACLE CHURCH OF GODLocation not reported, CT · Active | Location not reported, CT | Corporation | Mar 10, 1972 | Active |
| MISSION WINGSLocation not reported, CT · Active | Location not reported, CT | Corporation | Dec 30, 1969 | Active |
| NEW MOUNT MORIAH BAPTIST CHURCHLocation not reported, CT · Active | Location not reported, CT | Corporation | Aug 22, 1957 | Active |
| HOUSE OF RESTORATION CHURCH, INC.Location not reported, CT · Active | Location not reported, CT | Corporation | Feb 4, 1960 | Active |
| ST. BENEDICT CENTER,INCORPORATEDLocation not reported, CT · Active | Location not reported, CT | Other | Nov 25, 1947 | Active |
| ST. WLADIMIR UKRAINIAN ORTHODOX CHURCH.Location not reported, CT · Dissolved | Location not reported, CT | Other | Apr 5, 1954 | Dissolved |
| ST. PATRICK AND ST. ANTHONY ROMAN CATHOLIC CHURCH CORPORATION,Location not reported, CT · Active | Location not reported, CT | Other | Oct 30, 1958 | Active |
| THE FIREMEN'S MUTUAL RELIEF ASSOCIATION.Location not reported, CT · Active | Location not reported, CT | Other | Jul 11, 1873 | Active |
| THE FIRST ASSOCIATION OF SPIRITUALISTS OF HARTFORD, CONN.Location not reported, CT · Active | Location not reported, CT | Other | Feb 15, 1882 | Active |
| THE HARTFORD BRICKLAYERS AND PLASTERERS BENEVOLENT ASSOCIATION NO. 1, HARTFORD, CONN.Location not reported, CT · Active | Location not reported, CT | Other | Jul 13, 1868 | Active |
| HARTFORD LODGE NO. 82. I.O.O.F.Location not reported, CT · Active | Location not reported, CT | Other | Not reported | Active |
| SPELLING REFORM ASSOCIATIONLocation not reported, CT · Active | Location not reported, CT | Other | Dec 10, 1879 | Active |
| CONNECTICUT BAPTIST MISSIONARY CONVENTION, INCORPORATEDLocation not reported, CT · Active | Location not reported, CT | Other | Nov 17, 1926 | Active |
| THE CAPITAL A.C. AND SOCIAL CLUB INCORPORATEDLocation not reported, CT · Active | Location not reported, CT | Other | Oct 19, 1915 | Active |
| THE CONGREGATION BETH ISRAELLocation not reported, CT · Active | Location not reported, CT | Other | Not reported | Active |
| EMANUEL SYNAGOGUE, OF HARTFORD, CONNECTICUT, THELocation not reported, CT · Active | Location not reported, CT | Other | Not reported | Active |
| FIRST CHURCH OF CHRIST, SCIENTIST OF HARTFORD, CONN.Location not reported, CT · Active | Location not reported, CT | Corporation | May 11, 1898 | Active |
| CHRIST CHURCH OF DELIVERANCE, INC.Location not reported, CT · Active | Location not reported, CT | Corporation | Nov 14, 1966 | Active |
| BETH SHOLOM SYNAGOGUE, INCORPORATED, THELocation not reported, CT · Active | Location not reported, CT | Corporation | Oct 4, 1945 | Active |
| BIBLE WAY TEMPLE NATIONLocation not reported, CT · Active | Location not reported, CT | Corporation | Jan 7, 1958 | Active |
| ASYLUM AVENUE BAPTIST CHURCHLocation not reported, CT · Active | Location not reported, CT | Corporation | Jun 1, 1908 | Active |
| BIBLE CHURCH OF CHRIST (CHRISTIAN) THELocation not reported, CT · Active | Location not reported, CT | Corporation | May 25, 1964 | Active |
| SANCTUARY OF FAITH AND GLORYLocation not reported, CT · Active | Location not reported, CT | Corporation | Dec 13, 1904 | Active |
| CONGREGATION TIKVOH CHADOSHOHLocation not reported, CT · Merged | Location not reported, CT | Other | Dec 24, 1942 | Merged |
| CHRIST LUTHERAN CHURCH OF HARTFORD, CONNECTICUTLocation not reported, CT · Dissolved | Location not reported, CT | Other | Feb 8, 1901 | Dissolved |
| HARTFORD CONGREGATION OF JEHOVAH'S WITNESSES, CENTRAL UNIT, INC.Location not reported, CT · Active | Location not reported, CT | Corporation | Apr 26, 1963 | Active |
| CHRISTIAN CONFERENCE OF CONNECTICUT THEWest Hartford, CT · Dissolved | West Hartford, CT | Other | Not reported | Dissolved |
| CHURCH OF THE SACRED HEART,HARTFORD,CONNECTICUT THELocation not reported, CT · Merged | Location not reported, CT | Other | Not reported | Merged |
| CONGREGATION OF MODERN WORSHIPLocation not reported, CT · Active | Location not reported, CT | Corporation | Aug 23, 1977 | Active |
| THE NEW ANTIOCH BAPTIST CHURCH INC.Location not reported, CT · Active | Location not reported, CT | Corporation | Mar 4, 1969 | Active |
| PILGRIM COVENANT CHURCH OF GRANBY THELocation not reported, CT · Active | Location not reported, CT | Corporation | Not reported | Active |
| ST. PAUL'S EV. LUTHERAN CHURCH OF HARTFORD CONNLocation not reported, CT · Merged | Location not reported, CT | Other | Jun 1, 1909 | Merged |
| GERMAN EVANGELICAL LUTHERAN TRINITY CHURCHLocation not reported, CT · Merged | Location not reported, CT | Other | Aug 27, 1901 | Merged |
| MARIA, REINA DE LA PAZ PARISH CORPORATIONLocation not reported, CT · Active | Location not reported, CT | Corporation | Not reported | Active |
| SAINT LUKE'S CHURCH, HARTFORD, THELocation not reported, CT · Merged | Location not reported, CT | Other | Not reported | Merged |
| ST. ANNE IMMACULATE CONCEPTION CHURCHLocation not reported, CT · Merged | Location not reported, CT | Corporation | Not reported | Merged |
| SAINT PETER PARISH CORPORATIONLocation not reported, CT · Merged | Location not reported, CT | Other | Not reported | Merged |