Argyll and Bute on Wikipedia.

A'Chleit, the Killean & Kilchenzie parish church. © Martin Briscoe.
Achahoish, the South Knapdale Parish Church. © Martin Briscoe.
Appin, the ruins of the old parish church. The Parish Church. Both © Martin Briscoe. Portnacroish 'Holy Cross' Episcopal Church, consecrated 1815. © N. Argyll Extracts.
Ardbrecknish, St. James. © Martin Briscoe.
Ardchattan, the parish church which dates from 1836, and replaced an earlier church of 1731/2 near Ardchattan Priory. The priory was a Valliscaulian foundation dating from 1230, which was later converted to secular use before being replaced by the church. Both © Argyll Extracts. Another view of the parish church. © Peter Amsden.
Ardlui. © Martin Briscoe.
Ardpeaton. © Martin Briscoe.
Ardrishaig, the parish church. A chapel. Both © Martin Briscoe.
Arrochar, the parish church. The remains of the previous parish church sit immediately adjacent. Both © Martin Briscoe.
Ascog (Bute), Church of Scotland. © Bill McKenzie.

Ballymenoch, the ruins of the chapel. © Martin Briscoe.
Barcaldine, a church converted to residential use. © Martin Briscoe.
Bellanoch. Another view. Both © Martin Briscoe. And another © Peter Amsden.
Benderloch, St. Modan. Campbell Memorial Hall, possible converted church?. Both © Martin Briscoe. James Napier has been in touch to advise that the Memorial Hall pictured is the original building, sold in 1980, and that it has been replaced by a "Marley" structure build adjacent. He says the building in the photo has a "Free Kirk" look about it, but he isn't certain if it was a church.
Bowmore (Islay).
Bridge of Orchy, Strathfillan Parish Church. © Martin Briscoe.
Bridgend (Islay), St. Columba (Episcopal). © Martin Briscoe.
Bunessan, (Mull), Kilvickeon Church (CoS). NM 383 218. Baptist Church. Both © Martin Briscoe.

Campbeltown.
Cardross, the Parish Church. NS 344 776. The remains of the Old Parish Church (just the tower remains, following bomb damage in WWII). NS 349 773. Both © Martin Briscoe.
Carse, the Kilberry Parish Church. © Martin Briscoe.
Clachan, Lismore Island, St. Moluag (Parish Church and former Cathedral). © Rob Brettle. Link.
Clachan, the former Free Church of Scotland. Thanks to Norman Campbell for advising the denomination. Kilcalmonell parish church. Both © Martin Briscoe.
Claonaig, disused church. © Martin Briscoe.
Colintravie. © Bill McKenzie.
Connel, disused church. Another disused church, or perhaps village hall. St. Oran. All © Martin Briscoe.
Cowal, the Kilfinan Parish Church. © N. Argyll Extracts.
Craignish parish church. © Martin Briscoe.
Craignure (on Mull), Church of Scotland. © Bill McKenzie.
Craigrownie (nr. Kilcreggan), the Parish Church. The Church Hall, formerly the United Pentecostal Church. Both © Martin Briscoe.
Creich (near Fionnphort), St. Ernan (CoS). © Bill McKenzie.
Cumlodden. © Martin Briscoe.

Dalavich, the Kilchrenan & Dalavich Parish Church. © Martin Briscoe.
Dalmally, Glenorchy Church. © Martin Briscoe. Another view. © N. Argyll Extracts. The parish was formerly known as Clachan Dysart. The current church, the third on this site, was built in 1810. Text in italics © Argyll Extracts.
Dervaig, (Mull), Kilmore Church. © Martin Briscoe. Link.
Drumlemble, Presbyterian Mission Hall. © Martin Briscoe.
Dunagoil (on Bute), St. Blane's Chapel. © Bill McKenzie.
Dunbeg.

Ford. © Martin Briscoe.

Garelochhead, the Parish Church. Our Lady of the Sea (R.C.). Both © Martin Briscoe.
Gigha, the Gigha and Cara Parish Church at Ardminish. © Les Horn. Another view © Martin Briscoe. The ruins of St. Cathan's Church, and the Kilchattan Burial Ground. © Martin Briscoe.
Glenbarr. This building looks like a church - can you confirm it? © Martin Briscoe.
Glendaruel, the Kilmodan Parish Church. © Bill McKenzie.
Grogport (former church). NR 809 443. © Bill McKenzie.
Gruline, (Mull), St. Columba (Episcopal). © Martin Briscoe.

Helensburgh.

Inveraray.
Inverchaolain, CoS. NS 090 753. © Ann Galliard. Link.
Inverkip. © Martin Briscoe.
Iona.

Kames, the Kyles Parish Church. Free Presbyterian Church. Both © Martin Briscoe.
Kilbride, the Chapel. © Martin Briscoe.
Kilbride, the ruins of Old Kilbride Kirk. NM 857 257. © Martin Briscoe.
Kilchiaran, (Islay), the ruined chapel. © Martin Briscoe.
Kilchoman, (Islay), the church (ruin). © Martin Briscoe.
Kilchrenan, the church. © Martin Briscoe.
Kilfinichen (Mull). 48 NM 497 285. The ruins of Kilfinichen old parish church. Both © Martin Briscoe.
Kilkivan, ruined chapel. © Martin Briscoe.
Killevin, the burial ground, with the possible remains of the church built into the mausoleum. © Martin Briscoe.
Killunaig (Mull), west of Pennycross, now in secular use. Re-built from the orignal church ruins. NM 492 256. © Martin Briscoe.
Kilmartin. © Bill McKenzie.
Kilmelford, the parish church. © Martin Briscoe. Another view. © Les Horn.
Kilmeny. © Martin Briscoe.
Kilmichael, Kilmichael Glassary Church. © Martin Briscoe.
Kilmichael of Inverlussa. © Martin Briscoe.
Kilmore, the ruins of St. Bean, used up until 1876. Kilmore Kirk. Both © Martin Briscoe.
Kilmorich, Church of Scotland. © Bill McKenzie.
Kilmory, the ruins of St. Maelrubha's chapel. © Martin Briscoe.
Kilmory Knap, ruined chapel. © Martin Briscoe.
Kilmun. © Les Horn.
Kilninver, the Parish Church. © Martin Briscoe.
Kirkton, the ruins of Kirkton Chapel, on the Craignish Peninsula. Interior view. Ancient tombstones (from circa 800 A.D.). All © Peter Amsden. Link.

Lochawe, St. Conan's Kirk. © Martin Briscoe.
Lochdon (Mull), Free Church. © Martin Briscoe.
Lochgair. © Martin Briscoe.
Lochgilphead.
Lochgoilhead. © Bill McKenzie.
Luss. © Bill McKenzie.

Machrihanish, the Pans Mission Hall (now a private residence). Dated above the door "1889". © Martin Briscoe.
Minard, the Lochfyneside Free Church. Lochfyneside parish church. Both © Martin Briscoe.
Muasdale, ruined church (just south of A'Chleit). © Martin Briscoe.

Oban.

Pennycross (Mull). Martin can't find any references to this building, which may possibly be a school. Further information would be appreciated. NM 508 262. © Martin Briscoe.
Pennygown, the Old Chapel. 49 NM 604 433. © Martin Briscoe.
Poltalloch, St. Columba. © Martin Briscoe.
Port Askaig, (Islay), Keills Chapel (ruin). © Martin Briscoe.
Port Charlotte, (Islay), St. Kiaran, the parish church for Kilchoman. Free Church, now the Museum of Islay Life. Both © Martin Briscoe.
Port Ellen (Islay).
Portnahaven (Islay), the Parish Church. James Napier advises that this church sits on a single track road, and almost at its end, with Port Wemyss just a little further on. "It is most unusual," he says "if not unique in a church of this size to have 2 doors – but they do. Why? One for the Portnahaven folk who come from one direction and one for the Port Weymss folk who come the other way!". The Old Free Church. Both © Martin Briscoe.
Portsonachan, the church. © Martin Briscoe.

Rosneath, St. Modan. St. Gilda (R.C.). Both © Martin Briscoe.

Sadell, the Sadell and Carradale Church. The ruins of Sadell Abbey. Both © Martin Briscoe.
Salen, (Mull), Free Church. The Salen and Ulva Parish Church. Both © Martin Briscoe.
Sandbank (near Dunoon). © Ann Galliard.
Scalasaig (on Colonsay), CoI, and now also used by the Baptists. © Peter Amsden.
Skipness.
Southend, the Parish Church. Free Church. Both © Martin Briscoe.
Strachur and Strathlachlan. The Parish Church. Free Church. Strathlachlan Old Church. All © Martin Briscoe.

Tarbert, NR 863 686. Free Church of Scotland. Both © Martin Briscoe.
Tarbet, former Church of Scotland. © Bill McKenzie.
Taynuilt (R.C.). The former Muckairn Free Church. Both © Martin Briscoe. Muckairn Parish Church. © Argyll Extracts. A Telford church built in 1829 adjacent to the ancient Killespickerill Church built ca. 1500, which was itself built on the site of a 13th century church. Text in italics © Argyll Extracts.
Tayvallich. Ruin in Carsaig burial ground, described by Martin as a possible old chapel. Both © Martin Briscoe.
Tighnabruaich. © Bill McKenzie.
Tobermory (Mull).
Torosay, the Torosay and Kinlochspelve church. © Martin Briscoe.