I
K
- Karbovanets
- Keping
- Kina - Papua New Guinea
- Kip - Laos
- Konvertibilna marka (Конвертибилна марка) - Bosnia and Herzegovina
- Kori - Kutch
- Korona - Hungary
- Koruna
- Bohemian and Moravian koruna - Bohemia and Moravia
- Czech koruna - Czech Republic
- Czechoslovak koruna - Czechoslovakia
- Slovak koruna - Slovakia
- Koruuni - Greenland
- Króna
- Faroese króna - Faroe Islands (not an independent currency, equivalent to Danish krone)
- Icelandic króna - Iceland
- Krona - Sweden
- Krone
- Austro-Hungarian krone - Austria
- Danish krone - Denmark, Greenland
- Liechtenstein krone - Liechtenstein
- Norwegian krone - Norway
- Yugoslav krone - Yugoslavia
- Kronenthaler
- Kroon - Estonia
- Kuna - Croatia
- Kuna - Independent State of Croatia
- Kwacha
- Kwanza - Angola
- Kyat (http://upload.wikimedia.org/wikipedi.../a/ac/Kyat.png) - Myanmar
L
- Laari - Maldives
- Lari (ლარი) - Georgia
- Lats - Latvia
- Lek - Albania
- Lempira - Honduras
- Leone - Sierra Leone
- Leu
- Lev (Лев) - Bulgaria
- Libra - Peru
- Lilangeni - Swaziland
- Lira
- Israeli lira (לירה, pound) - Israel
- Italian lira - Italy
- Italian East African lira - Italian East Africa
- Italian Somaliland lira - Italian Somaliland
- Lebanese lira (ليرة) - Lebanon
- Luccan lira - Lucca
- Maltese lira - Malta
- Neapolitan lira - Naples (Kingdom of Joachim Murat)
- Papal States lira - Papal States
- Parman lira - Parma
- Sammarinese lira - San Marino
- Sardinian lira - Sardinia
- Tripolitanian lira (ليرة) - Tripolitania
- Turkish lira - Turkey
- Turkish new lira - Turkey
- Tuscan lira - Tuscany
- Vatican lira - Vatican City
- Venetian lira - Venice
- Litas - Lithuania
- Livre
- French colonial livre - French Guiana, Guadeloupe, Haiti, Martinique, Mauritius and Réunion
- French livre - France
- Guadeloupe livre - Guadeloupe
- Jersey livre - Jersey
- French livre parisis - France
- French livre tournois - France
- Haitian livre - Haiti
- New France livre - New France
- Luxembourgish livre - Luxembourg
- Saint Lucia livre - Saint Lucia
- Loti - Lesotho
M
- Manat
- Maneti - Georgia
- Maravedí - Spain
- Mark
- Danzig Mark - Danzig
- Estonian mark - Estonia
- German Mark - Germany
- German Goldmark - Germany
- German Papiermark - Germany
- German Reichsmark - Germany
- German Rentenmark - Germany
- German South West African Mark - German South West Africa
- East German Mark - East Germany
- Hamburg Mark - Hamburg
- New Guinean Mark - New Guinea
- Saar Mark - Saar
- Marka
- Bosnia and Herzegovina konvertibilna marka (конвертибилна марка) - Bosnia and Herzegovina
- Polish marka - Poland
- Markka - Finland
- Metica - Mozambique (proposed)
- Metical - Mozambique
- Mohar - Nepal
- Mon - Japan
- Mun - Korea
N
- Nahar - Chechnia (planned and printed but never used)
- Naira - Nigeria
- Nakfa - Eritrea
- New pence - Britain
- Ngultrum (དངུལ་ཀྲམ) - Bhutan
- Nuevo Sol - Peru
O
- Obol - Ionian Islands
- Ora - Orania, South Africa
- Ostmark
- Ostmark - Lithuania
- East German mark - East Germany (known as the Ostmark, or East mark)
- Ostruble - Lithuania
- Ouguiya (أوقية) - Mauritania
P
- Pa'anga - Tonga
- Paisa - Pakistan
- Paise - India
- Pataca
- Pengő - Hungary
- Penning - Sweden
- Perper
- Perun - Montenegro (proposed)
- Peseta
- Catalan peseta - Catalunya
- Equatorial Guinean peseta - Equatorial Guinea
- Peruvian peseta - Peru
- Spanish peseta - Spain
- Peso
- Argentine peso - Argentina
- Argentine peso argentino - Argentina
- Argentine peso ley - Argentina
- Argentine peso moneda corriente - Argentina
- Argentine peso moneda nacional - Argentina
- Bolivian peso - Bolivia
- Chilean peso - Chile
- Colombian peso - Colombia
- Costa Rican peso - Costa Rica
- Cuban convertible peso - Cuba
- Cuban peso - Cuba
- Dominican peso - Dominican Republic
- Ecuadorian peso - Ecuador
- Guatemalan peso - Guatemala
- Guinea Bissau peso - Guinea Bissau
- Honduran peso - Honduras
- Japanese government-issued Philippine fiat peso - Philippines
- Malvinas Islands peso - Malvinas Islands (Falkland Islands)
- Mexican peso - Mexico
- Nicaraguan peso - Nicaragua
- Paraguayan peso - Paraguay
- Philippine peso - Philippines
- Puerto Rican peso - Puerto Rico
- Salvadoran peso - El Salvador
- Uruguayan peso - Uruguay
- Venezuelan peso - Venezuela
- Phoenix - Greece
- Piastra
- Neapolitan piastra - Mainland part of Two Sicilies
- Sicilian piastra - Sicily
- Two Sicilies piastra - Two Sicilies
- Piastre
- Piso - Philippines
- Pitis - Brunei