1899 in Argentine football saw the Argentine league reduced to 4 teams to accommodate the creation of a second division.

Primera división

The championship Primera división took the format of a league of 4 teams, with each team playing the other twice. Lanús Athletic only completed 2 games, with the other 4 fixtures being awarded to their opponents. The game between Lomas and Lobos was awarded to Lobos.

Final standings

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{| border=1 style="border-collapse:collapse" cellspacing=0 cellpadding=5
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!bgcolor=#efefef width=20%|Team
!bgcolor=#efefef width=5%|Pts
!bgcolor=#efefef width=5%|Pld
!bgcolor=#efefef width=5%|W
!bgcolor=#efefef width=5%|D
!bgcolor=#efefef width=5%|L
!bgcolor=#efefef width=5%|GF
!bgcolor=#efefef width=5%|GA
!bgcolor=#efefef width=5%|GD
|- align=center bgcolor="gold"
|align=left| Belgrano Athletic

Belgrano Athletic Club

Belgrano Athletic Club is an amateur sports club from the Belgrano neighborhood of Buenos Aires, Argentina. One of Argentina's oldest institutions still in existence, Belgrano is one of the four clubs that founded the Argentine Rugby Union....

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|align=left| Lobos Athletic
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|align=left| Lomas Athletic

Lomas Athletic Club

Lomas Athletic Club is a sports club from Lomas de Zamora, Buenos Aires, Argentina. One of Argentina's oldest clubs still in existence, Lomas is one of the four clubs that founded the Argentine Rugby Union...

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|align=left| Lanús Athletic
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