List of tallest structures in Portugal
This is a list of buildings and nonbuilding structures in Portugal with a confirmed minimum height of 100 m.
| Structure | Type | Location | Year | Height | Coordinates |
| Rádio Renascença's radio antenna | mast | Muge, Salvaterra de Magos | 1981 | 265 m or 259 m | |
| Sines Refinery Chimney | chimney | Sines | 1975/1976 | 234 m | |
| Viaduto do Corgo | bridge | Vila Real | 2013 | 230 m | |
| Sines Thermal Power Plant's twin chimneys | chimney | Sines | 1985/1989 | 225 m | ; |
| Setúbal Thermal Power Plant's twin chimneys | chimney | Setúbal | 1979/1983 | 200 m | ; |
| Pego Thermal Power Plant chimney | chimney | Pego | 1989 | 200 m | |
| 25 de Abril Bridge | bridge | Lisbon and municipality of Almada | 1966 | 190.5 m | |
| Torre do Diabo | mast | Castanheira do Ribatejo | 190 m | ||
| Vila Nova de Gaia Communications Tower | tower | Vila Nova de Gaia | 1995 | 177 m | |
| Zêzere River Bridge - IC8 bridge near Cabril Dam | bridge | Pedrógão Grande, Sertã | 1995 | 170 m | |
| Vasco da Gama Bridge | bridge | Lisbon | 1998 | 155 m | |
| Vasco da Gama Tower | tower | Lisbon | 1998 | 145 m | |
| João Gomes Bridge | bridge | Funchal, Madeira | 1994 | 140 m | |
| Cabril Dam | dam | Pedrógão Pequeno, Sertã | 1954 | 136 m | |
| Rádio Renascença's radio antenna in Vila Nova de Gaia | lattice tower | Vila Nova de Gaia | 136 | ||
| Porto Alto Mediumwave Radio Mast | mast | Benavente | 125 | ||
| Wind turbine in Viana do Castelo | wind turbine | Viana do Castelo | 2012 | 120 | |
| Lousã Broadcasting Center's antenna | mast | Trevim, Lousã | 1957 | 120 m | |
| Braga Mediumwave Broadcasting Mast | mast | Braga | 120 m | ||
| Carapinheira Mediumwave Broadcasting Mast | mast | Montemor-o-Velho | 120 m | ||
| Monsanto Communications Tower | tower | Lisbon | 120 m | ||
| Monsanto Tower | skyscraper | Miraflores, Oeiras | 2001 | 120 m | |
| Castelo de Bode Dam | dam | Martinchel, Abrantes and São Pedro de Tomar, Tomar | 1951 | 115 m | |
| Cristo-Rei | statue and pedestal | Almada | 1959 | 110 m | |
| Paradela Dam | dam | Paradela, Montalegre | 1958 | 110 m | |
| Alto Lindoso Dam | dam | Lindoso, Ponte da Barca | 1992 | 110 m | |
| Saint Gabriel Tower | skyscraper | Lisbon | 2002 | 110 m | |
| Saint Raphael Tower | skyscraper | Lisbon | 2005 | 110 m | |
| Barreiro Thermal Power Plant's chimney | chimney | Lavradio, Barreiro | 1979 | 104 m | |
| Bridge on highway A23 over the river Ocreza | bridge | municipalities of Mação and Vila Velha de Ródão | 2003 | 100+ m | |
| Picote Dam | dam | Barrocal do Douro, Miranda do Douro | 1958 | 100 m | |
| Carregado Thermal Power Plant's triple chimneys | chimney | Vala do Carregado, Alenquer | 1969/1976 | 100 m | |
| Large Tower of Marão Transmitting Station | lattice tower | Santa Marta de Penaguião | 100 m | ||
| Socorridos Bridge | bridge | municipality of Câmara de Lobos, Madeira | 1993 | 100 m | |
| Sheraton Lisboa Hotel & Spa | skyscraper | Lisbon | 1972 | 100 m | |
| Chimneys Galp Matosinhos Refinery | chimney | Leça da Palmeira | 1970 | 100 m | |
| Lisnave crane | crane | Setúbal | 2000 | 100m |