Strmina

{{Short description|Nature reserve in Slovakia}}

{{Infobox protected area

| name = Strmina

| iucn_category = Ia

| photo = Strmina.jpg

| photo_caption = Forest in the Strmina nature reserve

| area = 1.9628 km²[http://uzemia.enviroportal.sk/main/detail/cislo/160 Štátny zoznam osobitne chránených častí prírody SR] {{in lang|sk}}

| established = 1988

| visitation_num =

| visitation_year =

| governing_body =

|external_link =

}}

Strmina is a nature reserve in the Slovak municipalities of Stupava and Borinka in the Malacky District. The nature reserve covers an area of {{convert|196|ha}} of forests in the Little Carpathians. It has a protection level of 5 under the Slovak nature protection system. The nature reserve is part of the Little Carpathians Protected Landscape Area.