Diamantino dos Santos

{{short description|Brazilian long-distance runner}}

{{Use dmy dates|date=April 2020}}

{{Infobox sportsperson

| name = Diamantino dos Santos

| full_name = Diamantino Silveira dos Santos

| image =

| caption =

| sport = Long-distance running

| event = Marathon

| club =

| collegeteam =

| birth_date = {{birth date and age|1961|2|3|df=yes}}

| birth_place = Carazinho, Rio Grande do Sul, Brazil

| death_date =

| death_place =

| height = 1.66 m

| weight = 59 kg

}}

Diamantino Silveira dos Santos (born 3 February 1961) is a Brazilian long-distance runner. He competed in the men's marathon at the 1988, 1992 and the 1996 Summer Olympics.{{cite Sports-Reference |url=https://www.sports-reference.com/olympics/athletes/do/diamantino-dos-santos-1.html |archive-url=https://web.archive.org/web/20200418032018/https://www.sports-reference.com/olympics/athletes/do/diamantino-dos-santos-1.html |url-status=dead |archive-date=18 April 2020 |title=Diamantino dos Santos Olympic Results |accessdate=19 May 2017}}