County Armagh on Wikipedia.

Aghacommon, Co. Armagh, St. Patrick (R.C.), originally The Derrymacash Chapel (1834). J 049 589. © Gerard Close (2011).
Aghavilly, St. Mary (CoI, 1841). H 843 408. © Gerard Close (2016).
Ahorey, Presbyterian Church. Gospel Hall. Both © Richard Edgar.
Ardmore, Parish Church (CoI). J 021 621. © Gerard Close (2011). Another view, © Richard Edgar (2014). Gospel Hall. J 017 613. © Gerard Close (2011).
Armagh.

Ballymagerney, Free Presbyterian Church. H 914 542. © Gerard Close.
Battlehill, St. Saviour. © Jack Storey, Monaghan Genealogy Specialist. Methodist Church. H 973 518. © Gerard Close (2016).
Bessbrook.
Birches, Gospel Hall. H 936 603. © Gerard Close (2017).
Blackwatertown, St. Jarlath (R.C.). H 838 521. © Gerard Close. Another view. © Len Brankin. Although Blackwatertown is in Armagh, St. Jarlath is across the river in Tyrone. Link. Methodist CHurch (1898). J 841 522. © Gerard Close (2012).

Camlough, CoI(?) in ruins, on Church Road. William McCutcheon would like to find out some history of this church for an article he plans to write. Can anyone help him? © William McCutcheon. St. Malachy (R.C.). Another view. Both © Richard Edgar (2014).
Charlemont, the derelict former Church of Ireland church. H 858 556. © Gerard Close (2012).
Clare, Presbyterian Church. Reformed Presbyterian Church (Covenanter). Both © Richard Edgar.
Clonmore, Church of the Sacred Heart (R.C.). H 881 601. © Gerard Close.
Clonroot, Gospel Hall. H 959 508. © Gerard Close (2016).
Collegeland, St. Peter (R.C., 1845). H 862 542. © Gerard Close.
Craigavon, St. Saviour (CoI). J 052 561. © Gerard Close. Presbyterian Church. J 054 566. © Gerard Close (2010). The Brownlow Methodist Church. J 042 563. © Gerard Close (2011). St. Joseph (R.C.). J 059 570. © Gerard Close (2016).
Cranagill, the Methodist Church of 1881. H 924 561. © Gerard Close (2016).

Derrycrew, The Mission Hall. H 919 554. © Gerard Close.
Derrykeeran, Mission Hall H 963 585. © Gerard Close (2013).
Derrytrasna, St. Mary (R.C.). H 993 626. © Gerard Close (2011). Another view, © Richard Edgar (2014). Bellville Presbyterian. J 005 622. © Gerard Close (2015).
Dollingstown, St. Saviour (CoI). J 103 583. © Gerard Close.
Donaghendry, St. Patrick (CoI). © Jack Storey, Monaghan Genealogy Specialist.
Drumhillery, Presbyterian Church. © Jack Storey, Monaghan Genealogy Specialist.
Druminnis, Presbyterian Church (1841). H 928 446. © Gerard Close (2013).
Drumsallan, (near Killylea), Holy Trinity (CoI). © Jack Storey, Monaghan Genealogy Specialist. Three further views - 1, 2, 3, all © Richard Edgar (2010). The church sign says that the church was re-built in 1821.

Keady, St. Patrick (R.C.). H 844 343. © Gerard Close (2015).
Kildarton, Parish Church (CoI). H 897 453. © Gerard Close (2012).
Killymaddy, Methodist Mission Hall (1895). H 796 493. © Gerard Close.
Kilmore, St. Aidan (CoI, 1814). H 941 511. © Gerard Close (2016).
Knappagh (near Killylea), Presbyterian Church. © Jack Storey, Monaghan Genealogy Specialist.
Knockaconey, St. Colmcille (R.C., 1958). H 873 505. © Gerard Close (2012).
Knocknamuckley, St. Matthias (CoI) on Bleary Road. Two further views - 1, 2. All © Richard Edgar (2010). Link.

Loughall, St. Luke (CoI). H 900 517. St. Patrick (R.C.). H 898 523. Presbyterian Church. H 880 539. Both © Gerard Close.
Loughgilly, St. Patrick (CoI). H 989 381. © Gerard Close (2011).
Lurgan.
Lylo, St. John (R.C.). Another view. Both © Richard Edgar (2014). Geograph entry, which says it was built in 1869 on the site of an earlier church of 1814.

Madden, Derrynoose Parish Church, St. John. © Jack Storey, Monaghan Genealogy Specialist.
Maghery, St. Andrew (CoI, Milltown Parish). H 933 629. Our Lady, Queen of Peace (R.C.). H924 634. On the same site stands the former church. All © Gerard Close.
Mahon, Methodist Church. J 001 518. © Gerard Close (2009).
Markethill.
Middletown, St. John (CoI). H 751 385. Presbyterian Church. Both © Jack Storey, Monaghan Genealogy Specialist.
Milford, Christian Fellowship Meeting House. H 855 434. © Gerard Close (2016).
Mountnorris, Presbyterian Church. The congregation was founded in 1734, though the church building is obviously fairly recent. Another view. Both © Richard Edgar (2014).
Mullaghbrack, St. John's Parish Church (CoI). © Jack Storey, Monaghan Genealogy Specialist.
Mullaghglass, St. Luke (CoI). J 049 319. Free Presbyterian Church. J o61 300. Both © Gerard Close (2012).
Mullavilly, Parish Church (CoI). J 012 481. © Gerard Close (2009). Link.

Newtownhamilton, St. John's Parish Church (CoI). © Jack Storey, Monaghan Genealogy Specialist. Two additional views - 1, 2, both © Richard Edgar (2014).

Portadown.
Poyntzpass, Presbyterian Church (1836). Link. St. Joseph (R.C.). Link. Acton Parish Church (CoI). Another view. All © Richard Edgar (2014).

Richhill, St. Matthew (CoI). H 942 480. Methodist Church. H 944 480. Trinity Evangelical Presbyterian Church. H 940 484. All © Gerard Close (2012). The former Presbyterian Church. H 943 478. © Gerard Close (2012). Another view, © Richard Edgar (2014) who advises that the burial ground remains in use for families who have a plot. Presbyterian Church (2003). H 935 483. © Gerard Close (2012). Grace Community Church. H 951 498. © Gerard Close (2015). Link.

Salters Grange, St. Aidan (CoI). H 881 484. © Gerard Close (2012).
Scotch Street, Gospel Hall. © Gerard Close (2013).
Stonebridge, St. Patrick (R.C.). © Gerard Close (2011).

Tandragee.
Tartaraghan, St. John (R.C.). Built 1826, and re-built in 1914. H 932 584. © Gerard Close (2013). St. Paul (CoI), 1816). H 943 583. © Gerard Close (2017). Link. Presbyterian Meeting House (1824). H 942 598. © Gerard Close (2017). Link.
Teaguy, Gospel Hall. H 930 567. © Gerard Close.
Tullyroan, Methodist Church. H 888 568. Link. Gospel Hall. H 890 565. Both © Gerard Close (2017).
Tynan, St. Vindic (CoI). H 766 430. The Lisloony Presbyterian Church. Both © Jack Storey, Monaghan Genealogy Specialist.