| Name | Image | Location | Description/notes |
| Blessed Sacrament | | 2124 Pauoa Rd, Pauoa Valley | Founded in the 1940s, church dedicated in 1938 |
| Cathedral Basilica of Our Lady of Peace | | 1184 Bishop St, Honolulu | Oldest Catholic parish in the Hawaiian Islands. Constructed in 1828, consecrated in 1843 |
| Co-Cathedral of St. Theresa of the Child Jesus | | 712 N. School St, Honolulu | Founded in 1931, co-cathedral dedicated in 1932 |
| Co-Cathedral Vietnamese Holy Martyrs Catholic Community | | 712 North School St, Honolulu | |
| Holy Family | | 830 Main St, Honolulu | |
| Korean Catholic Community | | 511 Main St, Honolulu | |
| Our Lady of the Mount | | 1614 Monte St, Kalihi Valley | Founded in 1870, church dedicated in 1903 |
| St. Anthony | | 640 Puuhale Rd, Kalihi-Kai | |
| Saint [John the Baptist Catholic Church (Honolulu, Hawaii)|St. John the Baptist] | | 2324 Omilo Ln, Honolulu | Founded in 1840s, church dedicated in 1857 |
| St. Philomena | | 3300 Ala Laulani St, Salt Lake | Founded in 1942, church dedicated in 1973. |
| St. Stephen | | 2747 Pali Hwy, Honolulu | |
| Name | Image | Location | Description/notes |
| Holy Trinity | | 5919 Kalanianaʻole Hwy, Honolulu | Founded in 1944, church dedicated in 1958 |
| Mary, Star of the Sea | | 4470 Aliikoa St, Honolulu | Founded in 1946 |
| Newman Center/Holy Spirit | | 1941 East-West Rd, Honolulu | Chapel constructed in the 1980s, serves University of Hawaiʻi at Mānoa community |
| Sacred Heart | | 1701 Wilder Ave, Honolulu | Founded as mission in 1883, church dedicated in 1914 |
| St. Augustine by the Sea | | 130 Ohua Ave, Honolulu | Founded in 1854, the third parish in Hawaii. Church dedicated in 1962 |
| Ss. Peter and Paul | | 800 Kaheka St, Honolulu | Founded in 1968, church dedicated in 1969 |
| St. Patrick | | 1124 7th Ave., Honolulu | Church consecrated in 1929 |
| St. Pius X | | 2821 Lowrey Ave, Honolulu | Founded in 1958. |
| Name | Image | Location | Description/notes |
| Immaculate Conception | | 91-1298 Renton Rd, Ewa Beach | Founded in 1890s, church dedicated in 1929 |
| Our Lady of Perpetual Help | | 91-1004 North Rd, Ewa Beach | Founded as mission in 1949, became parish in 1969, church dedicated in 1978 |
| Sacred Heart | | 85-786 Old Government Rd, Waianae | |
| St. Joseph | | 94-675 Farrington Hwy, Waipahu | Founded in early 1900s, church dedicated in 1941, has largest congregation in the diocese. |
| St. Jude | | 92-455 Makakilo Dr, Makakilo | Founded in 1988, church dedicated in 1999 |
| St. Rita | | 89-318 Farrington Hwy, Nānākuli | Founded as mission in 1928, church dedicated in 1934 |
| Name | Image | Location | Description/notes |
| Our [Lady of Good Counsel Catholic Church (Pearl City, Hawaii)|Our Lady of Good Counsel] | | 1525 Waimano Home Rd, Pearl City | Founded in 1958, church dedicated in 1959 |
| Our Lady of Sorrows | | 1403 California Ave # A, Wahiawa | Founded as mission in 1928, became parish in 1939, church consecrated in 1959 |
| Resurrection of the Lord | | 94-1260 Lumikula St, Waipahu | Church dedicated in 1985 |
| St. Elizabeth | | 99-312 Moanalua Rd, Aiea | Founded in the 1860s, church dedicated in 1925 |
| St. John Apostle and Evangelist | | 5-370 Kuahelani Ave, Mililani | Founded in 1951, church dedicated in 1973 |
| St. Michael | | 67-390 Goodale Ave, Waialua | Founded as mission in 1840, parish established in 1853, church constructed in 1923 |
| St. Damien of Molokai | | 115 Ala Malama St, Kaunakakai | Church dedicated in 2011 |
| | Our Lady of Seven Sorrows Church, 8011 Kamehameha V Hwy, Kaunakakai | Church built by Reverend Damien in 1874, oldest church on Moloka'i. Supervised by St. Damien of Molokai Parish |
| | St. Vincent Ferrer Church, 274 Maunaloa Rd, Maunaloa | Church dedicated in 1940. Supervised by St. Damien of Molokai Parish |
| St. Francis | | Damien Rd, Kalaupapa | Founded in 1870s, church dedicated in 1908 |
| | St. Philomena Church, Kalaupapa | Church dedicated between 1872 and 1889. Supervised by St. Francis Parish |
| Name | Image | Location | Description/notes |
| Our Lady of Mount Carmel | | 48-422 Kamehameha Hwy, Kaneohe | Founded as mission in 1841, church dedicated in 1939, became parish in 1968 |
| St. Ann | | 46-129 Haiku Rd, Kaneohe | |
| St. Anthony of Padua | | 148 Makawao St. # A, Kailua | Founded in 1920s, church dedicated in 1968 |
| St. George | | 41-1323 Kalanianaʻole Hwy, Waimānalo | Founded as mission in 1842, became parish in 1954, church dedicated in 1959 |
| St. John Vianney | | 920 Keolu Dr, Kailua | Founded in 1962, church dedicated in 1963 |
| St. Roch | | 56-350 Kamehameha Hwy, Kahuku | |
| | St. Joachim Mission Church, 53-536 Kamehameha Hwy, Punalu'u | Supervised by St. Roch Parish |
| Name | Image | Location | Description/notes |
| Big Island Catholic Church | | Annunciation Church, 65-1235 Kawaihae Rd, Waimea | Part of Big Island Catholic Church |
| | Annunciation Mission Church, 69-1789 Puako Beach Dr, Puako | Part of Big Island Catholic Church |
| Our Lady of Lourdes | | 45-5028 Plumeria St, Honokaa | Founded in 1882, church dedicated in 1927 |
| Most [Sacred Heart of Jesus Catholic Church (Hawi, Hawaii)|Most Sacred Heart of Jesus] | | 55-3374 Akoni Pule Hwy, Hawi | Founded in 1860s by Reverend Damien, church consecrated in 1925 |
| St. Benedict | | 84-5140 Painted Church Rd, Captain Cook | Founded in the 1840s, church dedicated in 1902. Known as the Painted Church due to its extensive murals. |
| St. Michael the Archangel | | 75-5769 Ali‘i Dr, Kailua-Kona | Founded in 1840, the first parish on the Island of Hawaii. Church dedicated in 2015. |
| | Immaculate Conception Mission Church, 76-5960 Mamalahoa Hwy, Holualoa | Founded in 1880 to serve Filipino and Portuguese immigrants. Church dedicated in 1944. Supervised by St. Michael the Archangel Parish. |
| | Holy Rosary Mission Church, Old Mamalahoa Hwy, Kailua-Kona | Supervised by St. Michael the Archangel Parish. |
| | St. Paul Mission Church | Founded in 1864, church closed after the 2006 Kiholo Bay earthquake. Supervised by St. Michael the Archangel Parish. |
| | St. Peter by the Sea Mission Church, 78-6684 Alii Drive, Kailua-Kona | Founded in the 1880s, church dedicated in 1912. Supervised by St. Michael the Archangel Parish. |
| Name | Image | Location | Description/notes |
| Hamakua Catholic Community | | Immaculate Heart of Mary Church, 27-186 Kaapoko Homestead Rd, Papaikou | Merged in Hamakua Catholic Community in 2022 |
| | St. Anthony Church, 35-2095 Old Mamalahoa Hwy, Laupahoehoe | Merged in Hamakua Catholic Community in 2022 |
| Holy Rosary | | 96-3143 Pikake St, Pahala | |
| Malia Puka O Kalani | | 326 Desha Ave, Hilo | |
| Sacred Heart | | 95-5558 Hawaiʻi Belt Rd, Naalehu | |
| Sacred Heart | | 15-3003 Pahoa Village Rd, Pāhoa | Parish founded in 1880s, church dedicated in 1929 |
| St. Joseph Catholic Church | | 43 Kapiolani St, Hilo | Parish founded in 1845, church dedicated in 1919 |
| St. Theresa | | 181355 Volcano Rd, Mountain View | Church dedicated in 1936 |
| Name | Image | Location | Description/notes |
| Holy Cross | | 2-2370 Kaumualii Hwy, Kalaheo | |
| | Sacred Heart Mission Church, 2626 Melemele Rd, ʻEleʻele | Supervised by Holy Cross Parish |
| Immaculate Conception | | 4453 Kapaia Rd, Lihue | |
| St. Catherine of Alexandria Parish | | St. Catherine of Alexandria Church, 5021a Kawaihau Rd, Kapaʻa | Founded in the 1880s, church dedicated in 1958. Supervised by St. Catherine of Alexandria Parish |
| | St. Sylvester Church, 2390 Kolo Rd, Kilauea | Founded in the 1870s, church dedicated in the 1950s. Supervised by St. Catherine of Alexandria Parish |
| | St, William Church, 5292-A Kuhio Hwy, Hanalei | Supervised by St. Catherine of Alexandria Parish |
| St. Raphael | | 3011 Hapa Rd, Koloa | Oldest parish on Kauai, was founded in 1841. Church dedicated in 2012 |
| St. Theresa | | 343 Kaumualii Hwy, Kekaha | Founded in 1893, church dedicated in 1941 |
| | Sacred Hearts of Jesus and Mary Mission Church, 9496 Kaumualii Hwy, Waimea | Supervised by St. Theresa Parish |
| Name | Image | Location | Description/notes |
| Christ the King | | 20 W Wakea Ave, Kahului | Founded in 1932 as a mission, became parish in 1942, church dedicated in 1932 |
| Holy Rosary | | 954 Baldwin Ave, Pā'ia | |
| Maria Lanakila | | 712 Waine'e St, Lahaina | Founded in 1846, church dedicated in 1873 |
| | Sacred Hearts Mission Church, 500 Office Road, Kapalua | Supervised by Maria Lanakila Parish |
| Kula Catholic Community | | Our Lady Queen of Angels Church, 9177 Kula Hwy, Kula | Founded in 1930s, church dedicated in 1940 |
| | Holy Ghost Mission Church, 4300 Lower Kula Rd, Kula | Founded in 1880s for Portuguese immigrants, church dedicated in 1899 |
| | St. James the Less Mission Church | Church dedicated in 2002 |
| St. Ann | | 40 Kuhinia St, Wailuku | |
| | St. Francis Xavier Mission Church, Kahekili Hwy, Kahakuloa | Supervised by St. Ann Parish |
| St. Anthony of Padua | | 1627 Mill St, Wailuku | Founded in 1840s, church dedicated in 1980 |
| St. Joseph | | 1294 Makawao Ave, Makawao | Parish founded in 1880s, church dedicated in 1911. |
| St. Mary | | 5000 Hana Hwy, Hana | |
| | St. Peter Mission Church, 37 St Peter Church Rd, Hana | Supervised by St. Mary Parish |
| | St. Paul Mission Church, 41145 Hana Hwy, Kipahulu | Supervised by St. Mary Parish |
| | St. Joseph Mission Church | Supervised by St. Mary Parish |
| St. Rita | | 655 Haiku Rd, Haiku | Founded as mission in 1921 church dedicated in the 1920s, became a parish in 1950 |
| | St. Gabriel Mission Church | Church dedicated in 1937, became a mission of St. Rita Parish in 1950 |
| St. Theresa | | 25 W Lipoa St, Kihei | |
| Sacred Hearts | | 815 Fraser Ave, Lanai City | Church dedicated in 1931 |