Giải quần vợt Mỹ Mở rộng 1999 - Đôi nam nữ

Ai Sugiyama Mahesh Bhupathi
| runner = Kimberly Po Donald Johnson
| score = 6–4, 6–4
| before_name= Giải quần vợt Mỹ Mở rộng – Đôi nam nữ
| after_name= Giải quần vợt Mỹ Mở rộng – Đôi nam nữ
}}

Giải quần vợt Mỹ Mở rộng 1999 – Đôi nam nữ là nội dung đôi nam nữ của Giải quần vợt Mỹ Mở rộng lần thứ 109, sự kiện Grand Slam thứ tư và cuối cùng trong năm. Serena Williams và Max Mirnyi là đương kim vô địch tuy nhiên không thi đấu.

Ai Sugiyama và Mahesh Bhupathi giành chiến thắng trong trận chung kết trước cặp đôi không xếp hạt giống Americans Kimberly Po và Donald Johnson, 6–4, 6–4.

Hạt giống
Lisa Raymond / Leander Paes (Vòng hai)
Ai Sugiyama / Mahesh Bhupathi (Vô địch)
Rennae Stubbs / Todd Woodbridge (Bán kết)
Corina Morariu / Jared Palmer (Vòng hai)
Elena Likhovtseva / Mark Knowles (Vòng một)
n/a
Larisa Neiland / Rick Leach (Tứ kết)
Mary Pierce / John-Laffnie de Jager (Tứ kết)
}}

Kết quả

Chung kết
Kimberly Po Donald Johnson
| RD1-score1-1=6
| RD1-score1-2=6
| RD1-score1-3=&nbsp;
| RD1-seed2=3
| RD1-team2= Rennae Stubbs Todd Woodbridge
| RD1-score2-1=4
| RD1-score2-2=4
| RD1-score2-3=&nbsp;

| RD1-seed3=WC
| RD1-team3= Alexandra Stevenson Brian MacPhie
| RD1-score3-1=4
| RD1-score3-2=5
| RD1-score3-3=&nbsp;
| RD1-seed4=2
| RD1-team4= Ai Sugiyama Mahesh Bhupathi
| RD1-score4-1=6
| RD1-score4-2=7
| RD1-score4-3=&nbsp;

| RD2-seed1=&nbsp;
| RD2-team1= Kimberly Po Donald Johnson
| RD2-score1-1=4
| RD2-score1-2=4
| RD2-score1-3=&nbsp;
| RD2-seed2=2
| RD2-team2= Ai Sugiyama Mahesh Bhupathi
| RD2-score2-1=6
| RD2-score2-2=6
| RD2-score2-3=&nbsp;
}}

Nửa trên
L Raymond L Paes
| RD1-score01-1=7
| RD1-score01-2=7
| RD1-score01-3=&nbsp;
| RD1-seed02=&nbsp;
| RD1-team02= L Horn K Ullyett
| RD1-score02-1=5
| RD1-score02-2=5
| RD1-score02-3=&nbsp;

| RD1-seed03=&nbsp;
| RD1-team03= K Po D Johnson
| RD1-score03-1=3
| RD1-score03-2=6
| RD1-score03-3=6
| RD1-seed04=&nbsp;
| RD1-team04= I Selyutina C Suk
| RD1-score04-1=6
| RD1-score04-2=3
| RD1-score04-3=4

| RD1-seed05=&nbsp;
| RD1-team05= P Tarabini T Carbonell
| RD1-score05-1=2
| RD1-score05-2=3
| RD1-score05-3=&nbsp;
| RD1-seed06=&nbsp;
| RD1-team06= I Spîrlea D Orsanic
| RD1-score06-1=6
| RD1-score06-2=6
| RD1-score06-3=&nbsp;

| RD1-seed07=&nbsp;
| RD1-team07= D Graham S Stolle
| RD1-score07-1=68
| RD1-score07-2=67
| RD1-score07-3=&nbsp;
| RD1-seed08=7
| RD1-team08= L Neiland R Leach
| RD1-score08-1=710
| RD1-score08-2=79
| RD1-score08-3=&nbsp;

| RD1-seed09=3
| RD1-team09= R Stubbs T Woodbridge
| RD1-score09-1=6
| RD1-score09-2=3
| RD1-score09-3=6
| RD1-seed10=&nbsp;
| RD1-team10= K Habšudová J Novák
| RD1-score10-1=3
| RD1-score10-2=6
| RD1-score10-3=2

| RD1-seed11=&nbsp;
| RD1-team11= K Kunce E Ferreira
| RD1-score11-1=77
| RD1-score11-2=6
| RD1-score11-3=&nbsp;
| RD1-seed12=&nbsp;
| RD1-team12= C Vis D Rikl
| RD1-score12-1=65
| RD1-score12-2=3
| RD1-score12-3=&nbsp;

| RD1-seed13=&nbsp;
| RD1-team13= E Tatarkova A Olhovskiy
| RD1-score13-1=6
| RD1-score13-2=6
| RD1-score13-3=&nbsp;
| RD1-seed14=&nbsp;
| RD1-team14= K Srebotnik P Norval
| RD1-score14-1=4
| RD1-score14-2=3
| RD1-score14-3=&nbsp;

| RD1-seed15=&nbsp;
| RD1-team15= M Bollegraf P Albano
| RD1-score15-1=77
| RD1-score15-2=4
| RD1-score15-3=5
| RD1-seed16=Alt
| RD1-team16= K-A Guse J Waite
| RD1-score16-1=65
| RD1-score16-2=6
| RD1-score16-3=7

| RD2-seed01=1
| RD2-team01= L Raymond L Paes
| RD2-score01-1=6
| RD2-score01-2=3
| RD2-score01-3=4
| RD2-seed02=&nbsp;
| RD2-team02= K Po D Johnson
| RD2-score02-1=4
| RD2-score02-2=6
| RD2-score02-3=6

| RD2-seed03=&nbsp;
| RD2-team03= I Spîrlea D Orsanic
| RD2-score03-1=4
| RD2-score03-2=3
| RD2-score03-3=&nbsp;
| RD2-seed04=7
| RD2-team04= L Neiland R Leach
| RD2-score04-1=6
| RD2-score04-2=6
| RD2-score04-3=&nbsp;

| RD2-seed05=3
| RD2-team05= R Stubbs T Woodbridge
| RD2-score05-1=6
| RD2-score05-2=77
| RD2-score05-3=&nbsp;
| RD2-seed06=&nbsp;
| RD2-team06= K Kunce E Ferreira
| RD2-score06-1=3
| RD2-score06-2=65
| RD2-score06-3=&nbsp;

| RD2-seed07=&nbsp;
| RD2-team07= E Tatarkova A Olhovskiy
| RD2-score07-1=6
| RD2-score07-2=6
| RD2-score07-3=&nbsp;
| RD2-seed08=Alt
| RD2-team08= K-A Guse J Waite
| RD2-score08-1=4
| RD2-score08-2=2
| RD2-score08-3=&nbsp;

| RD3-seed01=&nbsp;
| RD3-team01= K Po D Johnson
| RD3-score01-1=6
| RD3-score01-2=6
| RD3-score01-3=&nbsp;
| RD3-seed02=7
| RD3-team02= L Neiland R Leach
| RD3-score02-1=2
| RD3-score02-2=4
| RD3-score02-3=&nbsp;

| RD3-seed03=3
| RD3-team03= R Stubbs T Woodbridge
| RD3-score03-1=6
| RD3-score03-2=6
| RD3-score03-3=&nbsp;
| RD3-seed04=&nbsp;
| RD3-team04= E Tatarkova A Olhovskiy
| RD3-score04-1=3
| RD3-score04-2=1
| RD3-score04-3=&nbsp;

| RD4-seed01=&nbsp;
| RD4-team01= K Po D Johnson
| RD4-score01-1=6
| RD4-score01-2=6
| RD4-score01-3=&nbsp;
| RD4-seed02=3
| RD4-team02= R Stubbs T Woodbridge
| RD4-score02-1=4
| RD4-score02-2=4
| RD4-score02-3=&nbsp;
}}

Nửa dưới
E Likhovtseva M Knowles
| RD1-score01-1=2
| RD1-score01-2=3
| RD1-score01-3=&nbsp;
| RD1-seed02=WC
| RD1-team02= A Stevenson B MacPhie
| RD1-score02-1=6
| RD1-score02-2=6
| RD1-score02-3=&nbsp;

| RD1-seed03=&nbsp;
| RD1-team03= C Black R Koenig
| RD1-score03-1=6
| RD1-score03-2=6
| RD1-score03-3=&nbsp;
| RD1-seed04=&nbsp;
| RD1-team04= T Križan A Kratzmann
| RD1-score04-1=1
| RD1-score04-2=4
| RD1-score04-3=&nbsp;

| RD1-seed05=WC
| RD1-team05= L Osterloh S Humphries
| RD1-score05-1=4
| RD1-score05-2=6
| RD1-score05-3=6
| RD1-seed06=&nbsp;
| RD1-team06= A-G Sidot O Delaître
| RD1-score06-1=6
| RD1-score06-2=3
| RD1-score06-3=2

| RD1-seed07=WC
| RD1-team07= T Snyder C Mamiit
| RD1-score07-1=2
| RD1-score07-2=2
| RD1-score07-3=&nbsp;
| RD1-seed08=4
| RD1-team08= C Morariu J Palmer
| RD1-score08-1=6
| RD1-score08-2=6
| RD1-score08-3=&nbsp;

| RD1-seed09=8
| RD1-team09= M Pierce J-L de Jager
| RD1-score09-1=6
| RD1-score09-2=7
| RD1-score09-3=&nbsp;
| RD1-seed10=&nbsp;
| RD1-team10= L Wild D Macpherson
| RD1-score10-1=3
| RD1-score10-2=5
| RD1-score10-3=&nbsp;

| RD1-seed11=&nbsp;
| RD1-team11= F Labat C Haggard
| RD1-score11-1=3
| RD1-score11-2=6
| RD1-score11-3=6
| RD1-seed12=&nbsp;
| RD1-team12= P Suárez W Arthurs
| RD1-score12-1=6
| RD1-score12-2=3
| RD1-score12-3=4

| RD1-seed13=&nbsp;
| RD1-team13= R McQuillan A Florent
| RD1-score13-1=6
| RD1-score13-2=6
| RD1-score13-3=&nbsp;
| RD1-seed14=WC
| RD1-team14= K Schlukebir M Bryan
| RD1-score14-1=2
| RD1-score14-2=4
| RD1-score14-3=&nbsp;

| RD1-seed15=&nbsp;
| RD1-team15= A Fusai M Damm
| RD1-score15-1=2
| RD1-score15-2=5
| RD1-score15-3=&nbsp;
| RD1-seed16=2
| RD1-team16= A Sugiyama M Bhupathi
| RD1-score16-1=6
| RD1-score16-2=7
| RD1-score16-3=&nbsp;

| RD2-seed01=WC
| RD2-team01= A Stevenson B MacPhie
| RD2-score01-1=710
| RD2-score01-2=6
| RD2-score01-3=&nbsp;
| RD2-seed02=&nbsp;
| RD2-team02= C Black R Koenig
| RD2-score02-1=68
| RD2-score02-2=1
| RD2-score02-3=&nbsp;

| RD2-seed03=WC
| RD2-team03= L Osterloh S Humphries
| RD2-score03-1=6
| RD2-score03-2=3
| RD2-score03-3=6
| RD2-seed04=4
| RD2-team04= C Morariu J Palmer
| RD2-score04-1=3
| RD2-score04-2=6
| RD2-score04-3=1

| RD2-seed05=8
| RD2-team05= M Pierce J-L de Jager
| RD2-score05-1=7
| RD2-score05-2=77
| RD2-score05-3=&nbsp;
| RD2-seed06=&nbsp;
| RD2-team06= F Labat C Haggard
| RD2-score06-1=5
| RD2-score06-2=60
| RD2-score06-3=&nbsp;

| RD2-seed07=&nbsp;
| RD2-team07= R McQuillan A Florent
| RD2-score07-1=1
| RD2-score07-2=r
| RD2-score07-3=&nbsp;
| RD2-seed08=2
| RD2-team08= A Sugiyama M Bhupathi
| RD2-score08-1=4
| RD2-score08-2=&nbsp;
| RD2-score08-3=&nbsp;

| RD3-seed01=WC
| RD3-team01= A Stevenson B MacPhie
| RD3-score01-1=6
| RD3-score01-2=6
| RD3-score01-3=&nbsp;
| RD3-seed02=WC
| RD3-team02= L Osterloh S Humphries
| RD3-score02-1=2
| RD3-score02-2=4
| RD3-score02-3=&nbsp;

| RD3-seed03=8
| RD3-team03= M Pierce J-L de Jager
| RD3-score03-1=6
| RD3-score03-2=4
| RD3-score03-3=2
| RD3-seed04=2
| RD3-team04= A Sugiyama M Bhupathi
| RD3-score04-1=4
| RD3-score04-2=6
| RD3-score04-3=6

| RD4-seed01=WC
| RD4-team01= A Stevenson B MacPhie
| RD4-score01-1=4
| RD4-score01-2=5
| RD4-score01-3=&nbsp;
| RD4-seed02=2
| RD4-team02= A Sugiyama M Bhupathi
| RD4-score02-1=6
| RD4-score02-2=7
| RD4-score02-3=&nbsp;
}}

Tham khảo

1999 ITF Giải quần vợt Mỹ Mở rộng Đôi nam nữ Draw