The 1956 Ulster Grand Prix was the fifth round of the 1956 Grand Prix motorcycle racing season. It took place on 9–11 August 1956 at the Dundrod Circuit.

Pos	Rider	Manufacturer	Laps	Time	Points
1	John Hartle	Norton	27	2:20:14.6	8
2	Bob Brown	Matchless	27	+2:47.4	6
3	Peter Murphy	Matchless	27	+2:48.4	4
4	Geoff Tanner	Norton	27		3
5	Wilfred Herron	Norton	26	+1 lap	2
6	Jack Brett	Norton	26	+1 lap	1
7	Austin Carson	Norton	26	+1 lap
8	Dave Chadwick	Norton	26	+1 lap
9	Alan Trow	Norton	25	+2 laps
10	A. Martin	Matchless	25	+2 laps
11	D. G. Chapman	Norton	24	+3 laps
12	S. Murray	Norton	24	+3 laps
13	Ralph Rensen	Norton	24	+3 laps
14	Tom Turner	Norton	24	+3 laps
15	T. D. Sloan	Norton	23	+4 laps
16	W. Robertson	Matchless	23	+4 laps
17	M. Brosnan	BSA	23	+4 laps
18	H. B. Lowe	BSA	23	+4 laps
19	S. Williamson	Norton	23	+4 laps
[1]

Pos	Rider	Manufacturer	Laps	Time	Points
1	Bill Lomas	Moto Guzzi	25	2:03:14.4	8
2	Dickie Dale	Moto Guzzi	25	+54.0	6
3	John Hartle	Norton	25	+1:11.8	4
4	Jack Brett	Norton	25		3
5	Peter Murphy	AJS	25		2
6	Bob Brown	AJS	25		1
7	August Hobl	DKW	25
8	Alan Trow	Norton	24	+1 lap
9	Dave Chadwick	Norton	24	+1 lap
10	Frank Perris	AJS	24	+1 lap
11	Ralph Rensen	Norton	24	+1 lap
12	Bob Coleman	AJS	24	+1 lap
13	H. Grant	BSA	23	+2 laps
14	Tom Turner	Norton	23	+2 laps
15	S. Murray	Norton	23	+2 laps
16	G. N. Begg	AJS	22	+3 laps
17	G. J. Canning	BSA	22	+3 laps
18	K. W. Swallow	AJS	22	+3 laps
19	S. Williamson	Norton	22	+3 laps
20	S. R. Farlow	BSA	22	+3 laps
21	J. W. Dixon	Velocette	22	+3 laps
22	H. Plews	AJS	22	+3 laps
23	J. Jones	BSA	21	+4 laps
24	S. R. Cameron	AJS	21	+4 laps
25	L. Rice	AJS	20	+5 laps
26	J. A. Artt	Norton	20	+5 laps
[1]

Pos	Rider	Manufacturer	Laps	Time	Points
1	Luigi Taveri	MV Agusta	13	1:07:02.4	8
2	Sammy Miller	NSU	13	+13.6	6
3	Arthur Wheeler	Moto Guzzi	13	+3:31.0	4
4	Bob Coleman	NSU	13		3
5	Bill Maddrick	Moto Guzzi	12	+1 lap	2
6	Maurice Büla	NSU	11	+2 laps	1
7	Frank Cope	Norton	11	+2 laps
8	William Dehaney	Velocette	11	+2 laps
[1]

Pos	Rider	Manufacturer	Laps	Time/Retired	Points
1	Carlo Ubbiali	MV Agusta	12	1:05:55.0	8
2	Romolo Ferri	Gilera	12	+1:29.4	6
3	Bill Webster	MV Agusta	10	+2 laps	4
4	Bill Maddrick	MV Agusta	10	+2 laps	3
5	Frank Cope	MV Agusta	10	+2 laps	2
7 starters, 5 finishers
Source:[2][1]

Pos	Rider	Passenger	Manufacturer	Laps	Time	Points
1	Wilhelm Noll	Fritz Cron	BMW	10	56:24.0	8
2	Pip Harris	Ray Campbell	Norton	10	+1:01.4	6
3	Florian Camathias	Maurice Büla	BMW	10	+1:15.6	4
4	Frank Taylor	Ron Taylor	Norton	10		3
5	Bill Beevers	Jeff Mundy	Norton	10		2
6	Jack Wijns	Mick Woollett	BMW	9	+1 lap	1
[1]