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        <issuerName>SYSCO CORP</issuerName>
        <issuerTradingSymbol>SYY</issuerTradingSymbol>
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            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>77077</rptOwnerZipCode>
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    <footnotes>
        <footnote id="F1">The exercises and sales were effected pursuant to Rule 10b5-1 trading plan.</footnote>
        <footnote id="F2">The price reported is a weighted average sale price per share of these shares sold on this date.  These shares were sold in multiple transactions at prices ranging from $78.56 to $79.29.  The Reporting Person undertakes to provide to Sysco Corporation, any security holder of Sysco Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in the footnote of this Form 4.</footnote>
        <footnote id="F3">One-third of the shares covered by the grant vest and are exercisable on 8/25/2018, 8/25/2019 and  8/25/2020, respectively.  No options may be exercised prior to 8/25/2018.  Options will expire on 8/24/2027.</footnote>
        <footnote id="F4">One-third of the shares covered by the grant vest and are exercisable on 8/23/2019, 8/23/2020 and 8/23/2021, respectively.  No options may be exercised prior to 8/23/2019.  Options will expire on 8/22/2028.</footnote>
        <footnote id="F5">Options are fully exercisable.</footnote>
        <footnote id="F6">Options granted by the Compensation and Leadership Development Committee of the company's Board of Directors pursuant to the 2013 Long Term Incentive Plan, as amended.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/Gerald W. Clanton, Attorney-in-Fact</signatureName>
        <signatureDate>2019-09-26</signatureDate>
    </ownerSignature>
</ownershipDocument>
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X0306
4
2019-09-24
0000096021
SYSCO CORP
SYY
0001215771
CHARLTON ROBERT S
1390 ENCLAVE PARKWAY
HOUSTON
TX
77077
0
1
0
0
Executive Vice President
Common Stock
2019-09-24
4
S
0
31408
78.81
D
33353.27
D
Common Stock
2019-09-24
4
M
0
51092
51.22
A
84445.27
D
Common Stock
2019-09-24
4
S
0
51092
78.82
D
33353.27
D
Common Stock
2019-09-24
4
M
0
19722
75.08
A
53075.27
D
Common Stock
2019-09-24
4
S
0
19722
78.82
D
33353.27
D
Common Stock
2019-09-24
4
M
0
91666
52.42
A
125019.27
D
Common Stock
2019-09-24
4
S
0
91666
78.82
D
33353.27
D
Common Stock
2019-09-24
4
M
0
49819
38.89
A
83172.27
D
Common Stock
2019-09-24
4
S
0
49819
78.82
D
33353.27
D
Common Stock
2019-09-24
4
M
0
57192
40.59
A
90545.27
D
Common Stock
2019-09-24
4
S
0
57192
78.82
D
33353.27
D
Stock Options (Right to buy)
51.22
2019-09-24
4
M
0
51092
0
D
2027-08-24
Common Stock
51092
25547
D
Stock Options (Right to buy)
75.08
2019-09-24
4
M
0
19722
0
D
2028-08-22
Common Stock
19722
39445
D
Stock Options (Right to buy)
52.42
2019-09-24
4
M
0
91666
0
D
2026-08-24
Common Stock
91666
0
D
Stock Options (Right to buy)
38.89
2019-09-24
4
M
0
49819
0
D
2024-11-18
Common Stock
49819
12455
D
Stock Options (Right to buy)
40.59
2019-09-24
4
M
0
57192
0
D
2025-11-17
Common Stock
57192
38128
D
The exercises and sales were effected pursuant to Rule 10b5-1 trading plan.
The price reported is a weighted average sale price per share of these shares sold on this date.  These shares were sold in multiple transactions at prices ranging from $78.56 to $79.29.  The Reporting Person undertakes to provide to Sysco Corporation, any security holder of Sysco Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in the footnote of this Form 4.
One-third of the shares covered by the grant vest and are exercisable on 8/25/2018, 8/25/2019 and  8/25/2020, respectively.  No options may be exercised prior to 8/25/2018.  Options will expire on 8/24/2027.
One-third of the shares covered by the grant vest and are exercisable on 8/23/2019, 8/23/2020 and 8/23/2021, respectively.  No options may be exercised prior to 8/23/2019.  Options will expire on 8/22/2028.
Options are fully exercisable.
Options granted by the Compensation and Leadership Development Committee of the company's Board of Directors pursuant to the 2013 Long Term Incentive Plan, as amended.
/s/Gerald W. Clanton, Attorney-in-Fact
2019-09-26