| Club: | Internacional |
| Season: | 2021 |
| Chrtitle: | President |
| Chairman: | Alessandro Barcellos |
| Mgrtitle: | Manager |
| Manager: |  Miguel Ángel Ramírez(until June 11, 2021)  Osmar Loss (interim) Diego Aguirre (since June 20, 2021) |
| Stadium: | Estádio Beira-Rio |
| League: | Série A |
| League Result: | 12th |
| Cup1: | Campeonato Gaúcho |
| Cup1 Result: | Runners-up |
| Cup2: | Copa Libertadores |
| Cup2 Result: | Round of 16 |
| Cup3: | Copa do Brasil |
| Cup3 Result: | Third round |
| League Topscorer: | Yuri Alberto (12) |
| Season Topscorer: | Yuri Alberto (19) |
| Largest Win: | 6–1 vs. Aimoré 6–1 vs. Olimpia |
| Largest Loss: | 1–5 vs. Fortaleza |
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| Prevseason: | 2020 |
| Nextseason: | 2022 |
The 2021 season is Sport Club Internacional's 111th season in existence. As well as the Campeonato Brasileiro, the club competes in the Copa do Brasil, the Campeonato Gaúcho and the Copa Libertadores.
On March 2, 2021, Internacional announced the hiring of new manager Miguel Ángel Ramírez.[1] After a late finish to the 2020 season due to the COVID-19 pandemic,[2] most first team players did not return to training until March 9[3] to prepare for the remainder of the Campeonato Gaúcho.
As of 20 April 2021[4]
| Squad no. | Name | Nationality | Position(s) | Date of birth | Signed from | ||
|---|---|---|---|---|---|---|---|
| Goalkeepers | |||||||
| 1 | Danilo Fernandes | GK | 3 April 1988 | Sport | |||
| 12 | Marcelo Lomba | GK | 18 December 1986 | Bahia | |||
| 32 | Vitor Hugo | GK | 27 July 2001 | Youth Sector | |||
| 42 | Daniel | GK | 6 May 1994 | Youth Sector | |||
| Defenders | |||||||
| 4 | Rodrigo Moledo | CB | 27 October 1987 | Panathinaikos | |||
| 14 | Lucas Ribeiro | CB | 19 January 1999 | Hoffenheim | |||
| 15 | Víctor Cuesta | CB | 19 November 1988 | Independiente | |||
| 35 | Zé Gabriel | CB | 21 January 1999 | Youth Sector | |||
| 41 | Pedro Henrique | CB | 31 January 2001 | Youth Sector | |||
| Fullbacks | |||||||
| 2 | Heitor | RB | 5 November 2000 | Youth Sector | |||
| 20 | Moisés | LB | 11 March 1995 | Bahia | |||
| 22 | Rodinei | RB | 29 January 1992 | Flamengo | |||
| 26 | Saravia | RB | 16 June 1993 | Porto | |||
| 36 | Léo Borges | LB | 3 January 2001 | Youth Sector | |||
| 38 | Mazetti | RB | 2 February 2001 | Youth Sector | |||
| Midfielders | |||||||
| 8 | Edenílson | CM/DM | 18 December 1989 | Udinese | |||
| 13 | Rodrigo Dourado | DM/CM | 17 June 1994 | Youth Sector | |||
| 18 | Praxedes | CM | 8 February 2002 | Youth Sector | |||
| 19 | Rodrigo Lindoso | CM/DM | 6 June 1989 | Botafogo | |||
| 21 | Boschilia | AM/LM | 5 March 1996 | Monaco | |||
| 27 | Maurício | AM/LM/RM | 22 June 2001 | Cruzeiro | |||
| 30 | Johnny | CM | 20 September 2001 | Youth Sector | |||
| 33 | Nonato | CM/AM | 3 March 1998 | São Caetano | |||
| 37 | Lucas Ramos | 3 January 2001 | Youth Sector | ||||
| 88 | Patrick | LM/AM/CM | 29 July 1992 | Sport Recife | |||
| Attacking Midfielders | |||||||
| 10 | Taison | RW | 13 January 1988 | Shakhtar Donetsk | |||
| 16 | Carlos Palacios | RW/CF | 20 July 2000 | Española | |||
| 17 | Thiago Galhardo | CF/AM | 20 July 1989 | Ceará | |||
| 23 | Marcos Guilherme | RW/AM | 5 August 1995 | Al Wehda | |||
| 31 | João Peglow | RW | 7 January 2002 | Youth Sector | |||
| Attackers | |||||||
| 9 | Guerrero | CF | 1 January 1984 | Flamengo | |||
| 11 | Yuri Alberto | CF | 18 March 2001 | Santos | |||
| 47 | Caio Vidal | RW/RM | 4 November 2000 | Youth Sector | |||
See main article: 2021 Campeonato Gaúcho.
See main article: 2021 Copa Libertadores.
See main article: 2021 Copa Libertadores final stages. The draw for the round of 16 was held on 1 June 2021.
See main article: 2021 Campeonato Brasileiro Série A.
The league fixtures were announced on 24 March 2021.[8]
See main article: 2021 Copa do Brasil.